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Finding the Fourth Proportional to 364,501.20, 546,751.80 and 329,071.80

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Solution

The fourth proportional to 364,501.20, 546,751.80 and 329,071.80 is: 493,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,501.20 : 546,751.80 = 329,071.80 : x
  2. Step 2: Convert to fraction form
    364,501.20/546,751.80 = 329,071.80/x
  3. Step 3: Cross multiply
    364,501.20x = 546,751.80 × 329,071.80
  4. Step 4: Simplify right side
    364,501.20x = 179,920,598,979.24
  5. Step 5: Solve for x
    x = 179,920,598,979.24/364,501.20
  6. Step 6: Final answer
    x = 493,607.70

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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.