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Finding the Fourth Proportional to 658,134.40, 923,254.40 and 658,134.40

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Solution

The fourth proportional to 658,134.40, 923,254.40 and 658,134.40 is: 923,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,134.40 : 923,254.40 = 658,134.40 : x
  2. Step 2: Convert to fraction form
    658,134.40/923,254.40 = 658,134.40/x
  3. Step 3: Cross multiply
    658,134.40x = 923,254.40 × 658,134.40
  4. Step 4: Simplify right side
    658,134.40x = 607,625,480,591.36
  5. Step 5: Solve for x
    x = 607,625,480,591.36/658,134.40
  6. Step 6: Final answer
    x = 923,254.40

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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.