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Finding the Fourth Proportional to 609,053.83, 913,265.96 and 267,357.40

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Solution

The fourth proportional to 609,053.83, 913,265.96 and 267,357.40 is: 400,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,053.83 : 913,265.96 = 267,357.40 : x
  2. Step 2: Convert to fraction form
    609,053.83/913,265.96 = 267,357.40/x
  3. Step 3: Cross multiply
    609,053.83x = 913,265.96 × 267,357.40
  4. Step 4: Simplify right side
    609,053.83x = 244,168,408,954.15
  5. Step 5: Solve for x
    x = 244,168,408,954.15/609,053.83
  6. Step 6: Final answer
    x = 400,897.91

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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.