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Finding the Fourth Proportional to 482,912.47, 723,925.21 and 167,148.55

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Solution

The fourth proportional to 482,912.47, 723,925.21 and 167,148.55 is: 250,569.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,912.47 : 723,925.21 = 167,148.55 : x
  2. Step 2: Convert to fraction form
    482,912.47/723,925.21 = 167,148.55/x
  3. Step 3: Cross multiply
    482,912.47x = 723,925.21 × 167,148.55
  4. Step 4: Simplify right side
    482,912.47x = 121,003,049,159.95
  5. Step 5: Solve for x
    x = 121,003,049,159.95/482,912.47
  6. Step 6: Final answer
    x = 250,569.32

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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.