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Finding the Fourth Proportional to 316,251.68, 436,437.72 and 173,008.44

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Solution

The fourth proportional to 316,251.68, 436,437.72 and 173,008.44 is: 238,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,251.68 : 436,437.72 = 173,008.44 : x
  2. Step 2: Convert to fraction form
    316,251.68/436,437.72 = 173,008.44/x
  3. Step 3: Cross multiply
    316,251.68x = 436,437.72 × 173,008.44
  4. Step 4: Simplify right side
    316,251.68x = 75,507,409,094.36
  5. Step 5: Solve for x
    x = 75,507,409,094.36/316,251.68
  6. Step 6: Final answer
    x = 238,757.34

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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.