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Finding the Fourth Proportional to 496,765.55, 744,730.36 and 216,071.39

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Solution

The fourth proportional to 496,765.55, 744,730.36 and 216,071.39 is: 323,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,765.55 : 744,730.36 = 216,071.39 : x
  2. Step 2: Convert to fraction form
    496,765.55/744,730.36 = 216,071.39/x
  3. Step 3: Cross multiply
    496,765.55x = 744,730.36 × 216,071.39
  4. Step 4: Simplify right side
    496,765.55x = 160,914,924,060.40
  5. Step 5: Solve for x
    x = 160,914,924,060.40/496,765.55
  6. Step 6: Final answer
    x = 323,925.29

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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.