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Finding the Fourth Proportional to 580,254.88, 870,207.36 and 225,189.76

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Solution

The fourth proportional to 580,254.88, 870,207.36 and 225,189.76 is: 337,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,254.88 : 870,207.36 = 225,189.76 : x
  2. Step 2: Convert to fraction form
    580,254.88/870,207.36 = 225,189.76/x
  3. Step 3: Cross multiply
    580,254.88x = 870,207.36 × 225,189.76
  4. Step 4: Simplify right side
    580,254.88x = 195,961,786,548.63
  5. Step 5: Solve for x
    x = 195,961,786,548.63/580,254.88
  6. Step 6: Final answer
    x = 337,716.74

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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.