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Finding the Fourth Proportional to 641,118.32, 884,791.26 and 365,482.74

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Solution

The fourth proportional to 641,118.32, 884,791.26 and 365,482.74 is: 504,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,118.32 : 884,791.26 = 365,482.74 : x
  2. Step 2: Convert to fraction form
    641,118.32/884,791.26 = 365,482.74/x
  3. Step 3: Cross multiply
    641,118.32x = 884,791.26 × 365,482.74
  4. Step 4: Simplify right side
    641,118.32x = 323,375,934,032.85
  5. Step 5: Solve for x
    x = 323,375,934,032.85/641,118.32
  6. Step 6: Final answer
    x = 504,393.54

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1.5x scale

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.