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Finding the Fourth Proportional to 656,897.58, 984,908.84 and 236,118.78

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Solution

The fourth proportional to 656,897.58, 984,908.84 and 236,118.78 is: 354,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,897.58 : 984,908.84 = 236,118.78 : x
  2. Step 2: Convert to fraction form
    656,897.58/984,908.84 = 236,118.78/x
  3. Step 3: Cross multiply
    656,897.58x = 984,908.84 × 236,118.78
  4. Step 4: Simplify right side
    656,897.58x = 232,555,472,531.42
  5. Step 5: Solve for x
    x = 232,555,472,531.42/656,897.58
  6. Step 6: Final answer
    x = 354,020.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.