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Finding the Fourth Proportional to 584,230.30, 819,103.40 and 584,230.30

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Solution

The fourth proportional to 584,230.30, 819,103.40 and 584,230.30 is: 819,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,230.30 : 819,103.40 = 584,230.30 : x
  2. Step 2: Convert to fraction form
    584,230.30/819,103.40 = 584,230.30/x
  3. Step 3: Cross multiply
    584,230.30x = 819,103.40 × 584,230.30
  4. Step 4: Simplify right side
    584,230.30x = 478,545,025,113.02
  5. Step 5: Solve for x
    x = 478,545,025,113.02/584,230.30
  6. Step 6: Final answer
    x = 819,103.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.