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Finding the Fourth Proportional to 424,156.13, 585,346.65 and 230,576.86

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Solution

The fourth proportional to 424,156.13, 585,346.65 and 230,576.86 is: 318,202.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,156.13 : 585,346.65 = 230,576.86 : x
  2. Step 2: Convert to fraction form
    424,156.13/585,346.65 = 230,576.86/x
  3. Step 3: Cross multiply
    424,156.13x = 585,346.65 × 230,576.86
  4. Step 4: Simplify right side
    424,156.13x = 134,967,389,641.79
  5. Step 5: Solve for x
    x = 134,967,389,641.79/424,156.13
  6. Step 6: Final answer
    x = 318,202.15

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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.