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Finding the Fourth Proportional to 424,975.32, 586,468.08 and 243,694.08

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Solution

The fourth proportional to 424,975.32, 586,468.08 and 243,694.08 is: 336,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,975.32 : 586,468.08 = 243,694.08 : x
  2. Step 2: Convert to fraction form
    424,975.32/586,468.08 = 243,694.08/x
  3. Step 3: Cross multiply
    424,975.32x = 586,468.08 × 243,694.08
  4. Step 4: Simplify right side
    424,975.32x = 142,918,799,204.97
  5. Step 5: Solve for x
    x = 142,918,799,204.97/424,975.32
  6. Step 6: Final answer
    x = 336,299.06

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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.