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Finding the Fourth Proportional to 424,841.28, 586,296.44 and 231,239.64

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Solution

The fourth proportional to 424,841.28, 586,296.44 and 231,239.64 is: 319,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,841.28 : 586,296.44 = 231,239.64 : x
  2. Step 2: Convert to fraction form
    424,841.28/586,296.44 = 231,239.64/x
  3. Step 3: Cross multiply
    424,841.28x = 586,296.44 × 231,239.64
  4. Step 4: Simplify right side
    424,841.28x = 135,574,977,718.88
  5. Step 5: Solve for x
    x = 135,574,977,718.88/424,841.28
  6. Step 6: Final answer
    x = 319,119.13

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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.