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Finding the Fourth Proportional to 530,834, 732,550.92 and 292,370

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Solution

The fourth proportional to 530,834, 732,550.92 and 292,370 is: 403,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,834 : 732,550.92 = 292,370 : x
  2. Step 2: Convert to fraction form
    530,834/732,550.92 = 292,370/x
  3. Step 3: Cross multiply
    530,834x = 732,550.92 × 292,370
  4. Step 4: Simplify right side
    530,834x = 214,175,912,480.40
  5. Step 5: Solve for x
    x = 214,175,912,480.40/530,834
  6. Step 6: Final answer
    x = 403,470.60

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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.