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Finding the Fourth Proportional to 454,431.52, 627,041.46 and 263,407.60

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Solution

The fourth proportional to 454,431.52, 627,041.46 and 263,407.60 is: 363,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,431.52 : 627,041.46 = 263,407.60 : x
  2. Step 2: Convert to fraction form
    454,431.52/627,041.46 = 263,407.60/x
  3. Step 3: Cross multiply
    454,431.52x = 627,041.46 × 263,407.60
  4. Step 4: Simplify right side
    454,431.52x = 165,167,486,079.10
  5. Step 5: Solve for x
    x = 165,167,486,079.10/454,431.52
  6. Step 6: Final answer
    x = 363,459.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.