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Finding the Fourth Proportional to 555,158.59, 832,670.56 and 155,831.47

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Solution

The fourth proportional to 555,158.59, 832,670.56 and 155,831.47 is: 233,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,158.59 : 832,670.56 = 155,831.47 : x
  2. Step 2: Convert to fraction form
    555,158.59/832,670.56 = 155,831.47/x
  3. Step 3: Cross multiply
    555,158.59x = 832,670.56 × 155,831.47
  4. Step 4: Simplify right side
    555,158.59x = 129,756,277,390.52
  5. Step 5: Solve for x
    x = 129,756,277,390.52/555,158.59
  6. Step 6: Final answer
    x = 233,728.31

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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.