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Finding the Fourth Proportional to 625,557.53, 863,270.84 and 339,076.32

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Solution

The fourth proportional to 625,557.53, 863,270.84 and 339,076.32 is: 467,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,557.53 : 863,270.84 = 339,076.32 : x
  2. Step 2: Convert to fraction form
    625,557.53/863,270.84 = 339,076.32/x
  3. Step 3: Cross multiply
    625,557.53x = 863,270.84 × 339,076.32
  4. Step 4: Simplify right side
    625,557.53x = 292,714,700,438.20
  5. Step 5: Solve for x
    x = 292,714,700,438.20/625,557.53
  6. Step 6: Final answer
    x = 467,926.11

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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.