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Finding the Fourth Proportional to 879,195.83, 1,318,754.12 and 366,649.90

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Solution

The fourth proportional to 879,195.83, 1,318,754.12 and 366,649.90 is: 549,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,195.83 : 1,318,754.12 = 366,649.90 : x
  2. Step 2: Convert to fraction form
    879,195.83/1,318,754.12 = 366,649.90/x
  3. Step 3: Cross multiply
    879,195.83x = 1,318,754.12 × 366,649.90
  4. Step 4: Simplify right side
    879,195.83x = 483,521,061,092.45
  5. Step 5: Solve for x
    x = 483,521,061,092.45/879,195.83
  6. Step 6: Final answer
    x = 549,958.32

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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.