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Finding the Fourth Proportional to 609,534.40, 914,330.40 and 189,104.80

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Solution

The fourth proportional to 609,534.40, 914,330.40 and 189,104.80 is: 283,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,534.40 : 914,330.40 = 189,104.80 : x
  2. Step 2: Convert to fraction form
    609,534.40/914,330.40 = 189,104.80/x
  3. Step 3: Cross multiply
    609,534.40x = 914,330.40 × 189,104.80
  4. Step 4: Simplify right side
    609,534.40x = 172,904,267,425.92
  5. Step 5: Solve for x
    x = 172,904,267,425.92/609,534.40
  6. Step 6: Final answer
    x = 283,666.14

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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.