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Finding the Fourth Proportional to 625,491.01, 938,236.52 and 152,172.27

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Solution

The fourth proportional to 625,491.01, 938,236.52 and 152,172.27 is: 228,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,491.01 : 938,236.52 = 152,172.27 : x
  2. Step 2: Convert to fraction form
    625,491.01/938,236.52 = 152,172.27/x
  3. Step 3: Cross multiply
    625,491.01x = 938,236.52 × 152,172.27
  4. Step 4: Simplify right side
    625,491.01x = 142,773,580,569.76
  5. Step 5: Solve for x
    x = 142,773,580,569.76/625,491.01
  6. Step 6: Final answer
    x = 228,258.41

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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.