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Finding the Fourth Proportional to 482,806.64, 723,966.96 and 167,178.80

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Solution

The fourth proportional to 482,806.64, 723,966.96 and 167,178.80 is: 250,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,806.64 : 723,966.96 = 167,178.80 : x
  2. Step 2: Convert to fraction form
    482,806.64/723,966.96 = 167,178.80/x
  3. Step 3: Cross multiply
    482,806.64x = 723,966.96 × 167,178.80
  4. Step 4: Simplify right side
    482,806.64x = 121,031,927,612.45
  5. Step 5: Solve for x
    x = 121,031,927,612.45/482,806.64
  6. Step 6: Final answer
    x = 250,684.06

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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.