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Finding the Fourth Proportional to 575,642.52, 863,465.85 and 176,281.56

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Solution

The fourth proportional to 575,642.52, 863,465.85 and 176,281.56 is: 264,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,642.52 : 863,465.85 = 176,281.56 : x
  2. Step 2: Convert to fraction form
    575,642.52/863,465.85 = 176,281.56/x
  3. Step 3: Cross multiply
    575,642.52x = 863,465.85 × 176,281.56
  4. Step 4: Simplify right side
    575,642.52x = 152,213,107,044.73
  5. Step 5: Solve for x
    x = 152,213,107,044.73/575,642.52
  6. Step 6: Final answer
    x = 264,422.97

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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.