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Finding the Fourth Proportional to 488,855.55, 733,283.33 and 429,757.95

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Solution

The fourth proportional to 488,855.55, 733,283.33 and 429,757.95 is: 644,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,855.55 : 733,283.33 = 429,757.95 : x
  2. Step 2: Convert to fraction form
    488,855.55/733,283.33 = 429,757.95/x
  3. Step 3: Cross multiply
    488,855.55x = 733,283.33 × 429,757.95
  4. Step 4: Simplify right side
    488,855.55x = 315,134,338,521.18
  5. Step 5: Solve for x
    x = 315,134,338,521.18/488,855.55
  6. Step 6: Final answer
    x = 644,636.93

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Similar ratio
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1.5x scale

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.