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Finding the Fourth Proportional to 625,018.11, 862,480.22 and 366,905.54

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Solution

The fourth proportional to 625,018.11, 862,480.22 and 366,905.54 is: 506,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,018.11 : 862,480.22 = 366,905.54 : x
  2. Step 2: Convert to fraction form
    625,018.11/862,480.22 = 366,905.54/x
  3. Step 3: Cross multiply
    625,018.11x = 862,480.22 × 366,905.54
  4. Step 4: Simplify right side
    625,018.11x = 316,448,770,858.42
  5. Step 5: Solve for x
    x = 316,448,770,858.42/625,018.11
  6. Step 6: Final answer
    x = 506,303.36

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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.