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Finding the Fourth Proportional to 424,651.52, 586,035.26 and 243,398.42

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Solution

The fourth proportional to 424,651.52, 586,035.26 and 243,398.42 is: 335,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,651.52 : 586,035.26 = 243,398.42 : x
  2. Step 2: Convert to fraction form
    424,651.52/586,035.26 = 243,398.42/x
  3. Step 3: Cross multiply
    424,651.52x = 586,035.26 × 243,398.42
  4. Step 4: Simplify right side
    424,651.52x = 142,640,056,348.29
  5. Step 5: Solve for x
    x = 142,640,056,348.29/424,651.52
  6. Step 6: Final answer
    x = 335,899.08

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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.