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Finding the Fourth Proportional to 314,952.68, 472,625.85 and 127,964.18

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Solution

The fourth proportional to 314,952.68, 472,625.85 and 127,964.18 is: 192,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,952.68 : 472,625.85 = 127,964.18 : x
  2. Step 2: Convert to fraction form
    314,952.68/472,625.85 = 127,964.18/x
  3. Step 3: Cross multiply
    314,952.68x = 472,625.85 × 127,964.18
  4. Step 4: Simplify right side
    314,952.68x = 60,479,179,342.05
  5. Step 5: Solve for x
    x = 60,479,179,342.05/314,952.68
  6. Step 6: Final answer
    x = 192,026.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.