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Finding the Fourth Proportional to 555,157.09, 832,668.32 and 155,829.97

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Solution

The fourth proportional to 555,157.09, 832,668.32 and 155,829.97 is: 233,726.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,157.09 : 832,668.32 = 155,829.97 : x
  2. Step 2: Convert to fraction form
    555,157.09/832,668.32 = 155,829.97/x
  3. Step 3: Cross multiply
    555,157.09x = 832,668.32 × 155,829.97
  4. Step 4: Simplify right side
    555,157.09x = 129,754,678,546.40
  5. Step 5: Solve for x
    x = 129,754,678,546.40/555,157.09
  6. Step 6: Final answer
    x = 233,726.06

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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.