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Finding the Fourth Proportional to 417,519.51, 627,015.84 and 310,932.42

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Solution

The fourth proportional to 417,519.51, 627,015.84 and 310,932.42 is: 466,947.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,519.51 : 627,015.84 = 310,932.42 : x
  2. Step 2: Convert to fraction form
    417,519.51/627,015.84 = 310,932.42/x
  3. Step 3: Cross multiply
    417,519.51x = 627,015.84 × 310,932.42
  4. Step 4: Simplify right side
    417,519.51x = 194,959,552,509.53
  5. Step 5: Solve for x
    x = 194,959,552,509.53/417,519.51
  6. Step 6: Final answer
    x = 466,947.17

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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.