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Finding the Fourth Proportional to 369,572.97, 510,008.22 and 208,429.41

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Solution

The fourth proportional to 369,572.97, 510,008.22 and 208,429.41 is: 287,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,572.97 : 510,008.22 = 208,429.41 : x
  2. Step 2: Convert to fraction form
    369,572.97/510,008.22 = 208,429.41/x
  3. Step 3: Cross multiply
    369,572.97x = 510,008.22 × 208,429.41
  4. Step 4: Simplify right side
    369,572.97x = 106,300,712,389.75
  5. Step 5: Solve for x
    x = 106,300,712,389.75/369,572.97
  6. Step 6: Final answer
    x = 287,631.19

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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.