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Finding the Fourth Proportional to 424,651.54, 586,001.55 and 231,060.06

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Solution

The fourth proportional to 424,651.54, 586,001.55 and 231,060.06 is: 318,853.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,651.54 : 586,001.55 = 231,060.06 : x
  2. Step 2: Convert to fraction form
    424,651.54/586,001.55 = 231,060.06/x
  3. Step 3: Cross multiply
    424,651.54x = 586,001.55 × 231,060.06
  4. Step 4: Simplify right side
    424,651.54x = 135,401,549,217.79
  5. Step 5: Solve for x
    x = 135,401,549,217.79/424,651.54
  6. Step 6: Final answer
    x = 318,853.31

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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.