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Finding the Fourth Proportional to 521,749.70, 732,549.10 and 521,749.70

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Solution

The fourth proportional to 521,749.70, 732,549.10 and 521,749.70 is: 732,549.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,749.70 : 732,549.10 = 521,749.70 : x
  2. Step 2: Convert to fraction form
    521,749.70/732,549.10 = 521,749.70/x
  3. Step 3: Cross multiply
    521,749.70x = 732,549.10 × 521,749.70
  4. Step 4: Simplify right side
    521,749.70x = 382,207,273,160.27
  5. Step 5: Solve for x
    x = 382,207,273,160.27/521,749.70
  6. Step 6: Final answer
    x = 732,549.10

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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.