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Finding the Fourth Proportional to 606,708.80, 910,063.20 and 488,610.80

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Solution

The fourth proportional to 606,708.80, 910,063.20 and 488,610.80 is: 732,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,708.80 : 910,063.20 = 488,610.80 : x
  2. Step 2: Convert to fraction form
    606,708.80/910,063.20 = 488,610.80/x
  3. Step 3: Cross multiply
    606,708.80x = 910,063.20 × 488,610.80
  4. Step 4: Simplify right side
    606,708.80x = 444,666,708,202.56
  5. Step 5: Solve for x
    x = 444,666,708,202.56/606,708.80
  6. Step 6: Final answer
    x = 732,916.20

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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.