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Finding the Fourth Proportional to 584,150.30, 818,991.40 and 584,150.30

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Solution

The fourth proportional to 584,150.30, 818,991.40 and 584,150.30 is: 818,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,150.30 : 818,991.40 = 584,150.30 : x
  2. Step 2: Convert to fraction form
    584,150.30/818,991.40 = 584,150.30/x
  3. Step 3: Cross multiply
    584,150.30x = 818,991.40 × 584,150.30
  4. Step 4: Simplify right side
    584,150.30x = 478,414,072,007.42
  5. Step 5: Solve for x
    x = 478,414,072,007.42/584,150.30
  6. Step 6: Final answer
    x = 818,991.40

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Double scale
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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.