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Finding the Fourth Proportional to 457,410.99, 631,217.73 and 253,460.16

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Solution

The fourth proportional to 457,410.99, 631,217.73 and 253,460.16 is: 349,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,410.99 : 631,217.73 = 253,460.16 : x
  2. Step 2: Convert to fraction form
    457,410.99/631,217.73 = 253,460.16/x
  3. Step 3: Cross multiply
    457,410.99x = 631,217.73 × 253,460.16
  4. Step 4: Simplify right side
    457,410.99x = 159,988,546,840.64
  5. Step 5: Solve for x
    x = 159,988,546,840.64/457,410.99
  6. Step 6: Final answer
    x = 349,769.79

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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.