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Finding the Fourth Proportional to 424,038.87, 585,178.56 and 233,052.57

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Solution

The fourth proportional to 424,038.87, 585,178.56 and 233,052.57 is: 321,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,038.87 : 585,178.56 = 233,052.57 : x
  2. Step 2: Convert to fraction form
    424,038.87/585,178.56 = 233,052.57/x
  3. Step 3: Cross multiply
    424,038.87x = 585,178.56 × 233,052.57
  4. Step 4: Simplify right side
    424,038.87x = 136,377,367,316.90
  5. Step 5: Solve for x
    x = 136,377,367,316.90/424,038.87
  6. Step 6: Final answer
    x = 321,615.25

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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.