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Finding the Fourth Proportional to 555,157.59, 832,669.06 and 155,830.47

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Solution

The fourth proportional to 555,157.59, 832,669.06 and 155,830.47 is: 233,726.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,157.59 : 832,669.06 = 155,830.47 : x
  2. Step 2: Convert to fraction form
    555,157.59/832,669.06 = 155,830.47/x
  3. Step 3: Cross multiply
    555,157.59x = 832,669.06 × 155,830.47
  4. Step 4: Simplify right side
    555,157.59x = 129,755,210,974.26
  5. Step 5: Solve for x
    x = 129,755,210,974.26/555,157.59
  6. Step 6: Final answer
    x = 233,726.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.