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Finding the Fourth Proportional to 424,656.02, 586,020.38 and 231,069.44

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Solution

The fourth proportional to 424,656.02, 586,020.38 and 231,069.44 is: 318,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,656.02 : 586,020.38 = 231,069.44 : x
  2. Step 2: Convert to fraction form
    424,656.02/586,020.38 = 231,069.44/x
  3. Step 3: Cross multiply
    424,656.02x = 586,020.38 × 231,069.44
  4. Step 4: Simplify right side
    424,656.02x = 135,411,396,949.74
  5. Step 5: Solve for x
    x = 135,411,396,949.74/424,656.02
  6. Step 6: Final answer
    x = 318,873.14

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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.