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Finding the Fourth Proportional to 644,493.90, 966,740.85 and 497,037.90

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Solution

The fourth proportional to 644,493.90, 966,740.85 and 497,037.90 is: 745,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,493.90 : 966,740.85 = 497,037.90 : x
  2. Step 2: Convert to fraction form
    644,493.90/966,740.85 = 497,037.90/x
  3. Step 3: Cross multiply
    644,493.90x = 966,740.85 × 497,037.90
  4. Step 4: Simplify right side
    644,493.90x = 480,506,841,928.22
  5. Step 5: Solve for x
    x = 480,506,841,928.22/644,493.90
  6. Step 6: Final answer
    x = 745,556.85

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Similar ratio
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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.