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Finding the Fourth Proportional to 508,888.26, 763,332.48 and 171,929.88

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Solution

The fourth proportional to 508,888.26, 763,332.48 and 171,929.88 is: 257,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,888.26 : 763,332.48 = 171,929.88 : x
  2. Step 2: Convert to fraction form
    508,888.26/763,332.48 = 171,929.88/x
  3. Step 3: Cross multiply
    508,888.26x = 763,332.48 × 171,929.88
  4. Step 4: Simplify right side
    508,888.26x = 131,239,661,686.50
  5. Step 5: Solve for x
    x = 131,239,661,686.50/508,888.26
  6. Step 6: Final answer
    x = 257,894.85

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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.