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Finding the Fourth Proportional to 610,687.52, 915,588.40 and 410,511.41

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Solution

The fourth proportional to 610,687.52, 915,588.40 and 410,511.41 is: 615,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,687.52 : 915,588.40 = 410,511.41 : x
  2. Step 2: Convert to fraction form
    610,687.52/915,588.40 = 410,511.41/x
  3. Step 3: Cross multiply
    610,687.52x = 915,588.40 × 410,511.41
  4. Step 4: Simplify right side
    610,687.52x = 375,859,480,485.70
  5. Step 5: Solve for x
    x = 375,859,480,485.70/610,687.52
  6. Step 6: Final answer
    x = 615,469.40

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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.