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Finding the Fourth Proportional to 366,312.30, 549,468.45 and 198,350.70

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Solution

The fourth proportional to 366,312.30, 549,468.45 and 198,350.70 is: 297,526.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,312.30 : 549,468.45 = 198,350.70 : x
  2. Step 2: Convert to fraction form
    366,312.30/549,468.45 = 198,350.70/x
  3. Step 3: Cross multiply
    366,312.30x = 549,468.45 × 198,350.70
  4. Step 4: Simplify right side
    366,312.30x = 108,987,451,685.42
  5. Step 5: Solve for x
    x = 108,987,451,685.42/366,312.30
  6. Step 6: Final answer
    x = 297,526.05

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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.