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Finding the Fourth Proportional to 602,691.54, 831,711.72 and 330,763.83

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Solution

The fourth proportional to 602,691.54, 831,711.72 and 330,763.83 is: 456,452.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,691.54 : 831,711.72 = 330,763.83 : x
  2. Step 2: Convert to fraction form
    602,691.54/831,711.72 = 330,763.83/x
  3. Step 3: Cross multiply
    602,691.54x = 831,711.72 × 330,763.83
  4. Step 4: Simplify right side
    602,691.54x = 275,100,153,963.09
  5. Step 5: Solve for x
    x = 275,100,153,963.09/602,691.54
  6. Step 6: Final answer
    x = 456,452.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.