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Finding the Fourth Proportional to 461,706.80, 692,560.20 and 371,505.20

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Solution

The fourth proportional to 461,706.80, 692,560.20 and 371,505.20 is: 557,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,706.80 : 692,560.20 = 371,505.20 : x
  2. Step 2: Convert to fraction form
    461,706.80/692,560.20 = 371,505.20/x
  3. Step 3: Cross multiply
    461,706.80x = 692,560.20 × 371,505.20
  4. Step 4: Simplify right side
    461,706.80x = 257,289,715,613.04
  5. Step 5: Solve for x
    x = 257,289,715,613.04/461,706.80
  6. Step 6: Final answer
    x = 557,257.80

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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.