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Finding the Fourth Proportional to 254,229.20, 381,343.80 and 249,563.60

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Solution

The fourth proportional to 254,229.20, 381,343.80 and 249,563.60 is: 374,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,229.20 : 381,343.80 = 249,563.60 : x
  2. Step 2: Convert to fraction form
    254,229.20/381,343.80 = 249,563.60/x
  3. Step 3: Cross multiply
    254,229.20x = 381,343.80 × 249,563.60
  4. Step 4: Simplify right side
    254,229.20x = 95,169,531,565.68
  5. Step 5: Solve for x
    x = 95,169,531,565.68/254,229.20
  6. Step 6: Final answer
    x = 374,345.40

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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.