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Finding the Fourth Proportional to 291,591.88, 402,386.50 and 176,883.64

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Solution

The fourth proportional to 291,591.88, 402,386.50 and 176,883.64 is: 244,093.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,591.88 : 402,386.50 = 176,883.64 : x
  2. Step 2: Convert to fraction form
    291,591.88/402,386.50 = 176,883.64/x
  3. Step 3: Cross multiply
    291,591.88x = 402,386.50 × 176,883.64
  4. Step 4: Simplify right side
    291,591.88x = 71,175,588,806.86
  5. Step 5: Solve for x
    x = 71,175,588,806.86/291,591.88
  6. Step 6: Final answer
    x = 244,093.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.