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Finding the Fourth Proportional to 314,352.45, 471,524.04 and 77,695.11

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Solution

The fourth proportional to 314,352.45, 471,524.04 and 77,695.11 is: 116,541.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,352.45 : 471,524.04 = 77,695.11 : x
  2. Step 2: Convert to fraction form
    314,352.45/471,524.04 = 77,695.11/x
  3. Step 3: Cross multiply
    314,352.45x = 471,524.04 × 77,695.11
  4. Step 4: Simplify right side
    314,352.45x = 36,635,112,155.44
  5. Step 5: Solve for x
    x = 36,635,112,155.44/314,352.45
  6. Step 6: Final answer
    x = 116,541.52

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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.