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Finding the Fourth Proportional to 625,431.06, 863,097.93 and 338,951.13

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Solution

The fourth proportional to 625,431.06, 863,097.93 and 338,951.13 is: 467,754.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,431.06 : 863,097.93 = 338,951.13 : x
  2. Step 2: Convert to fraction form
    625,431.06/863,097.93 = 338,951.13/x
  3. Step 3: Cross multiply
    625,431.06x = 863,097.93 × 338,951.13
  4. Step 4: Simplify right side
    625,431.06x = 292,548,018,674.16
  5. Step 5: Solve for x
    x = 292,548,018,674.16/625,431.06
  6. Step 6: Final answer
    x = 467,754.22

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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.