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Finding the Fourth Proportional to 508,332.61, 762,504.39 and 153,349.71

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Solution

The fourth proportional to 508,332.61, 762,504.39 and 153,349.71 is: 230,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,332.61 : 762,504.39 = 153,349.71 : x
  2. Step 2: Convert to fraction form
    508,332.61/762,504.39 = 153,349.71/x
  3. Step 3: Cross multiply
    508,332.61x = 762,504.39 × 153,349.71
  4. Step 4: Simplify right side
    508,332.61x = 116,929,823,267.71
  5. Step 5: Solve for x
    x = 116,929,823,267.71/508,332.61
  6. Step 6: Final answer
    x = 230,026.21

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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.