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Finding the Fourth Proportional to 424,602.61, 585,460.71 and 338,494.29

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Solution

The fourth proportional to 424,602.61, 585,460.71 and 338,494.29 is: 466,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,602.61 : 585,460.71 = 338,494.29 : x
  2. Step 2: Convert to fraction form
    424,602.61/585,460.71 = 338,494.29/x
  3. Step 3: Cross multiply
    424,602.61x = 585,460.71 × 338,494.29
  4. Step 4: Simplify right side
    424,602.61x = 198,175,108,452.09
  5. Step 5: Solve for x
    x = 198,175,108,452.09/424,602.61
  6. Step 6: Final answer
    x = 466,730.79

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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.