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Finding the Fourth Proportional to 424,452, 585,826.95 and 243,285.36

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Solution

The fourth proportional to 424,452, 585,826.95 and 243,285.36 is: 335,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,452 : 585,826.95 = 243,285.36 : x
  2. Step 2: Convert to fraction form
    424,452/585,826.95 = 243,285.36/x
  3. Step 3: Cross multiply
    424,452x = 585,826.95 × 243,285.36
  4. Step 4: Simplify right side
    424,452x = 142,523,120,428.45
  5. Step 5: Solve for x
    x = 142,523,120,428.45/424,452
  6. Step 6: Final answer
    x = 335,781.48

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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.