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Finding the Fourth Proportional to 366,915.30, 549,854.55 and 271,400.10

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Solution

The fourth proportional to 366,915.30, 549,854.55 and 271,400.10 is: 406,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,915.30 : 549,854.55 = 271,400.10 : x
  2. Step 2: Convert to fraction form
    366,915.30/549,854.55 = 271,400.10/x
  3. Step 3: Cross multiply
    366,915.30x = 549,854.55 × 271,400.10
  4. Step 4: Simplify right side
    366,915.30x = 149,230,579,855.46
  5. Step 5: Solve for x
    x = 149,230,579,855.46/366,915.30
  6. Step 6: Final answer
    x = 406,716.70

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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.