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Finding the Fourth Proportional to 366,650.80, 549,538.80 and 329,034.40

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Solution

The fourth proportional to 366,650.80, 549,538.80 and 329,034.40 is: 493,159.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,650.80 : 549,538.80 = 329,034.40 : x
  2. Step 2: Convert to fraction form
    366,650.80/549,538.80 = 329,034.40/x
  3. Step 3: Cross multiply
    366,650.80x = 549,538.80 × 329,034.40
  4. Step 4: Simplify right side
    366,650.80x = 180,817,169,334.72
  5. Step 5: Solve for x
    x = 180,817,169,334.72/366,650.80
  6. Step 6: Final answer
    x = 493,159.07

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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.