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Finding the Fourth Proportional to 424,866.88, 585,199.40 and 326,562.13

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Solution

The fourth proportional to 424,866.88, 585,199.40 and 326,562.13 is: 449,797.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,866.88 : 585,199.40 = 326,562.13 : x
  2. Step 2: Convert to fraction form
    424,866.88/585,199.40 = 326,562.13/x
  3. Step 3: Cross multiply
    424,866.88x = 585,199.40 × 326,562.13
  4. Step 4: Simplify right side
    424,866.88x = 191,103,957,979.91
  5. Step 5: Solve for x
    x = 191,103,957,979.91/424,866.88
  6. Step 6: Final answer
    x = 449,797.26

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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.