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Finding the Fourth Proportional to 625,562.65, 863,253.32 and 339,076.58

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Solution

The fourth proportional to 625,562.65, 863,253.32 and 339,076.58 is: 467,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,562.65 : 863,253.32 = 339,076.58 : x
  2. Step 2: Convert to fraction form
    625,562.65/863,253.32 = 339,076.58/x
  3. Step 3: Cross multiply
    625,562.65x = 863,253.32 × 339,076.58
  4. Step 4: Simplify right side
    625,562.65x = 292,708,985,124.36
  5. Step 5: Solve for x
    x = 292,708,985,124.36/625,562.65
  6. Step 6: Final answer
    x = 467,913.15

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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.