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Finding the Fourth Proportional to 424,141.58, 585,310.65 and 230,545.10

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Solution

The fourth proportional to 424,141.58, 585,310.65 and 230,545.10 is: 318,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,141.58 : 585,310.65 = 230,545.10 : x
  2. Step 2: Convert to fraction form
    424,141.58/585,310.65 = 230,545.10/x
  3. Step 3: Cross multiply
    424,141.58x = 585,310.65 × 230,545.10
  4. Step 4: Simplify right side
    424,141.58x = 134,940,502,335.32
  5. Step 5: Solve for x
    x = 134,940,502,335.32/424,141.58
  6. Step 6: Final answer
    x = 318,149.67

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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.