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Finding the Fourth Proportional to 457,892.04, 631,928.85 and 254,008.70

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Solution

The fourth proportional to 457,892.04, 631,928.85 and 254,008.70 is: 350,552.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,892.04 : 631,928.85 = 254,008.70 : x
  2. Step 2: Convert to fraction form
    457,892.04/631,928.85 = 254,008.70/x
  3. Step 3: Cross multiply
    457,892.04x = 631,928.85 × 254,008.70
  4. Step 4: Simplify right side
    457,892.04x = 160,515,425,681.00
  5. Step 5: Solve for x
    x = 160,515,425,681.00/457,892.04
  6. Step 6: Final answer
    x = 350,552.99

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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.