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Finding the Fourth Proportional to 473,757.28, 653,793.60 and 258,906.40

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Solution

The fourth proportional to 473,757.28, 653,793.60 and 258,906.40 is: 357,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,757.28 : 653,793.60 = 258,906.40 : x
  2. Step 2: Convert to fraction form
    473,757.28/653,793.60 = 258,906.40/x
  3. Step 3: Cross multiply
    473,757.28x = 653,793.60 × 258,906.40
  4. Step 4: Simplify right side
    473,757.28x = 169,271,347,319.04
  5. Step 5: Solve for x
    x = 169,271,347,319.04/473,757.28
  6. Step 6: Final answer
    x = 357,295.51

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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.