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Finding the Fourth Proportional to 314,218.44, 433,614.36 and 170,978.88

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Solution

The fourth proportional to 314,218.44, 433,614.36 and 170,978.88 is: 235,947.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,218.44 : 433,614.36 = 170,978.88 : x
  2. Step 2: Convert to fraction form
    314,218.44/433,614.36 = 170,978.88/x
  3. Step 3: Cross multiply
    314,218.44x = 433,614.36 × 170,978.88
  4. Step 4: Simplify right side
    314,218.44x = 74,138,897,624.72
  5. Step 5: Solve for x
    x = 74,138,897,624.72/314,218.44
  6. Step 6: Final answer
    x = 235,947.00

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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.