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Finding the Fourth Proportional to 424,449.52, 585,823.52 and 243,282.88

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Solution

The fourth proportional to 424,449.52, 585,823.52 and 243,282.88 is: 335,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,449.52 : 585,823.52 = 243,282.88 : x
  2. Step 2: Convert to fraction form
    424,449.52/585,823.52 = 243,282.88/x
  3. Step 3: Cross multiply
    424,449.52x = 585,823.52 × 243,282.88
  4. Step 4: Simplify right side
    424,449.52x = 142,520,833,117.34
  5. Step 5: Solve for x
    x = 142,520,833,117.34/424,449.52
  6. Step 6: Final answer
    x = 335,778.05

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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.