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Finding the Fourth Proportional to 625,726.60, 938,506.62 and 176,483.56

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Solution

The fourth proportional to 625,726.60, 938,506.62 and 176,483.56 is: 264,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,726.60 : 938,506.62 = 176,483.56 : x
  2. Step 2: Convert to fraction form
    625,726.60/938,506.62 = 176,483.56/x
  3. Step 3: Cross multiply
    625,726.60x = 938,506.62 × 176,483.56
  4. Step 4: Simplify right side
    625,726.60x = 165,630,989,381.17
  5. Step 5: Solve for x
    x = 165,630,989,381.17/625,726.60
  6. Step 6: Final answer
    x = 264,701.85

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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.