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Finding the Fourth Proportional to 647,737.70, 970,294.35 and 366,926.90

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Solution

The fourth proportional to 647,737.70, 970,294.35 and 366,926.90 is: 549,647.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,737.70 : 970,294.35 = 366,926.90 : x
  2. Step 2: Convert to fraction form
    647,737.70/970,294.35 = 366,926.90/x
  3. Step 3: Cross multiply
    647,737.70x = 970,294.35 × 366,926.90
  4. Step 4: Simplify right side
    647,737.70x = 356,027,097,933.02
  5. Step 5: Solve for x
    x = 356,027,097,933.02/647,737.70
  6. Step 6: Final answer
    x = 549,647.02

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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.