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Finding the Fourth Proportional to 530,294.27, 731,798.48 and 291,830.27

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Solution

The fourth proportional to 530,294.27, 731,798.48 and 291,830.27 is: 402,721.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,294.27 : 731,798.48 = 291,830.27 : x
  2. Step 2: Convert to fraction form
    530,294.27/731,798.48 = 291,830.27/x
  3. Step 3: Cross multiply
    530,294.27x = 731,798.48 × 291,830.27
  4. Step 4: Simplify right side
    530,294.27x = 213,560,945,074.57
  5. Step 5: Solve for x
    x = 213,560,945,074.57/530,294.27
  6. Step 6: Final answer
    x = 402,721.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.