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Finding the Fourth Proportional to 424,240.10, 585,439.01 and 240,495.71

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Solution

The fourth proportional to 424,240.10, 585,439.01 and 240,495.71 is: 331,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,240.10 : 585,439.01 = 240,495.71 : x
  2. Step 2: Convert to fraction form
    424,240.10/585,439.01 = 240,495.71/x
  3. Step 3: Cross multiply
    424,240.10x = 585,439.01 × 240,495.71
  4. Step 4: Simplify right side
    424,240.10x = 140,795,567,143.83
  5. Step 5: Solve for x
    x = 140,795,567,143.83/424,240.10
  6. Step 6: Final answer
    x = 331,877.08

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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.