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Finding the Fourth Proportional to 674,452.48, 930,763.20 and 372,665.92

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Solution

The fourth proportional to 674,452.48, 930,763.20 and 372,665.92 is: 514,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,452.48 : 930,763.20 = 372,665.92 : x
  2. Step 2: Convert to fraction form
    674,452.48/930,763.20 = 372,665.92/x
  3. Step 3: Cross multiply
    674,452.48x = 930,763.20 × 372,665.92
  4. Step 4: Simplify right side
    674,452.48x = 346,863,724,230.14
  5. Step 5: Solve for x
    x = 346,863,724,230.14/674,452.48
  6. Step 6: Final answer
    x = 514,289.35

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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.