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Finding the Fourth Proportional to 488,706.80, 733,060.20 and 453,277.40

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Solution

The fourth proportional to 488,706.80, 733,060.20 and 453,277.40 is: 679,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,706.80 : 733,060.20 = 453,277.40 : x
  2. Step 2: Convert to fraction form
    488,706.80/733,060.20 = 453,277.40/x
  3. Step 3: Cross multiply
    488,706.80x = 733,060.20 × 453,277.40
  4. Step 4: Simplify right side
    488,706.80x = 332,279,621,499.48
  5. Step 5: Solve for x
    x = 332,279,621,499.48/488,706.80
  6. Step 6: Final answer
    x = 679,916.10

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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.