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Finding the Fourth Proportional to 468,364.88, 702,549.12 and 113,378.32

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Solution

The fourth proportional to 468,364.88, 702,549.12 and 113,378.32 is: 170,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,364.88 : 702,549.12 = 113,378.32 : x
  2. Step 2: Convert to fraction form
    468,364.88/702,549.12 = 113,378.32/x
  3. Step 3: Cross multiply
    468,364.88x = 702,549.12 × 113,378.32
  4. Step 4: Simplify right side
    468,364.88x = 79,653,838,943.08
  5. Step 5: Solve for x
    x = 79,653,838,943.08/468,364.88
  6. Step 6: Final answer
    x = 170,067.92

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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.