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Finding the Fourth Proportional to 366,645.80, 549,531.30 and 329,029.40

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Solution

The fourth proportional to 366,645.80, 549,531.30 and 329,029.40 is: 493,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,645.80 : 549,531.30 = 329,029.40 : x
  2. Step 2: Convert to fraction form
    366,645.80/549,531.30 = 329,029.40/x
  3. Step 3: Cross multiply
    366,645.80x = 549,531.30 × 329,029.40
  4. Step 4: Simplify right side
    366,645.80x = 180,811,953,920.22
  5. Step 5: Solve for x
    x = 180,811,953,920.22/366,645.80
  6. Step 6: Final answer
    x = 493,151.58

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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.