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Finding the Fourth Proportional to 497,367.10, 746,050.65 and 429,715.90

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Solution

The fourth proportional to 497,367.10, 746,050.65 and 429,715.90 is: 644,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,367.10 : 746,050.65 = 429,715.90 : x
  2. Step 2: Convert to fraction form
    497,367.10/746,050.65 = 429,715.90/x
  3. Step 3: Cross multiply
    497,367.10x = 746,050.65 × 429,715.90
  4. Step 4: Simplify right side
    497,367.10x = 320,589,826,510.34
  5. Step 5: Solve for x
    x = 320,589,826,510.34/497,367.10
  6. Step 6: Final answer
    x = 644,573.85

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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.