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Finding the Fourth Proportional to 316,626.48, 474,992.58 and 116,947.32

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Solution

The fourth proportional to 316,626.48, 474,992.58 and 116,947.32 is: 175,440.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,626.48 : 474,992.58 = 116,947.32 : x
  2. Step 2: Convert to fraction form
    316,626.48/474,992.58 = 116,947.32/x
  3. Step 3: Cross multiply
    316,626.48x = 474,992.58 × 116,947.32
  4. Step 4: Simplify right side
    316,626.48x = 55,549,109,250.89
  5. Step 5: Solve for x
    x = 55,549,109,250.89/316,626.48
  6. Step 6: Final answer
    x = 175,440.50

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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.