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Finding the Fourth Proportional to 366,920.30, 549,862.05 and 271,405.10

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Solution

The fourth proportional to 366,920.30, 549,862.05 and 271,405.10 is: 406,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,920.30 : 549,862.05 = 271,405.10 : x
  2. Step 2: Convert to fraction form
    366,920.30/549,862.05 = 271,405.10/x
  3. Step 3: Cross multiply
    366,920.30x = 549,862.05 × 271,405.10
  4. Step 4: Simplify right side
    366,920.30x = 149,235,364,666.46
  5. Step 5: Solve for x
    x = 149,235,364,666.46/366,920.30
  6. Step 6: Final answer
    x = 406,724.20

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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.