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Finding the Fourth Proportional to 674,162.14, 930,348.57 and 372,356.14

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Solution

The fourth proportional to 674,162.14, 930,348.57 and 372,356.14 is: 513,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,162.14 : 930,348.57 = 372,356.14 : x
  2. Step 2: Convert to fraction form
    674,162.14/930,348.57 = 372,356.14/x
  3. Step 3: Cross multiply
    674,162.14x = 930,348.57 × 372,356.14
  4. Step 4: Simplify right side
    674,162.14x = 346,421,002,379.72
  5. Step 5: Solve for x
    x = 346,421,002,379.72/674,162.14
  6. Step 6: Final answer
    x = 513,854.13

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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.