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Finding the Fourth Proportional to 471,877.40, 706,260.90 and 366,123.80

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Solution

The fourth proportional to 471,877.40, 706,260.90 and 366,123.80 is: 547,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,877.40 : 706,260.90 = 366,123.80 : x
  2. Step 2: Convert to fraction form
    471,877.40/706,260.90 = 366,123.80/x
  3. Step 3: Cross multiply
    471,877.40x = 706,260.90 × 366,123.80
  4. Step 4: Simplify right side
    471,877.40x = 258,578,924,499.42
  5. Step 5: Solve for x
    x = 258,578,924,499.42/471,877.40
  6. Step 6: Final answer
    x = 547,979.04

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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.