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Finding the Fourth Proportional to 457,250.32, 630,998.56 and 253,300.60

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Solution

The fourth proportional to 457,250.32, 630,998.56 and 253,300.60 is: 349,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,250.32 : 630,998.56 = 253,300.60 : x
  2. Step 2: Convert to fraction form
    457,250.32/630,998.56 = 253,300.60/x
  3. Step 3: Cross multiply
    457,250.32x = 630,998.56 × 253,300.60
  4. Step 4: Simplify right side
    457,250.32x = 159,832,313,847.14
  5. Step 5: Solve for x
    x = 159,832,313,847.14/457,250.32
  6. Step 6: Final answer
    x = 349,551.02

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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.