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Finding the Fourth Proportional to 291,590.88, 402,385.12 and 176,882.64

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Solution

The fourth proportional to 291,590.88, 402,385.12 and 176,882.64 is: 244,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,590.88 : 402,385.12 = 176,882.64 : x
  2. Step 2: Convert to fraction form
    291,590.88/402,385.12 = 176,882.64/x
  3. Step 3: Cross multiply
    291,590.88x = 402,385.12 × 176,882.64
  4. Step 4: Simplify right side
    291,590.88x = 71,174,942,322.32
  5. Step 5: Solve for x
    x = 71,174,942,322.32/291,590.88
  6. Step 6: Final answer
    x = 244,091.80

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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.