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Finding the Fourth Proportional to 625,146.84, 862,701.57 and 338,674.14

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Solution

The fourth proportional to 625,146.84, 862,701.57 and 338,674.14 is: 467,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,146.84 : 862,701.57 = 338,674.14 : x
  2. Step 2: Convert to fraction form
    625,146.84/862,701.57 = 338,674.14/x
  3. Step 3: Cross multiply
    625,146.84x = 862,701.57 × 338,674.14
  4. Step 4: Simplify right side
    625,146.84x = 292,174,712,296.40
  5. Step 5: Solve for x
    x = 292,174,712,296.40/625,146.84
  6. Step 6: Final answer
    x = 467,369.73

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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.