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Finding the Fourth Proportional to 424,759.76, 586,157.68 and 231,159.24

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Solution

The fourth proportional to 424,759.76, 586,157.68 and 231,159.24 is: 318,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,759.76 : 586,157.68 = 231,159.24 : x
  2. Step 2: Convert to fraction form
    424,759.76/586,157.68 = 231,159.24/x
  3. Step 3: Cross multiply
    424,759.76x = 586,157.68 × 231,159.24
  4. Step 4: Simplify right side
    424,759.76x = 135,495,763,828.96
  5. Step 5: Solve for x
    x = 135,495,763,828.96/424,759.76
  6. Step 6: Final answer
    x = 318,993.88

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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.