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Finding the Fourth Proportional to 576,132.98, 795,063.57 and 318,010.01

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Solution

The fourth proportional to 576,132.98, 795,063.57 and 318,010.01 is: 438,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,132.98 : 795,063.57 = 318,010.01 : x
  2. Step 2: Convert to fraction form
    576,132.98/795,063.57 = 318,010.01/x
  3. Step 3: Cross multiply
    576,132.98x = 795,063.57 × 318,010.01
  4. Step 4: Simplify right side
    576,132.98x = 252,838,173,846.34
  5. Step 5: Solve for x
    x = 252,838,173,846.34/576,132.98
  6. Step 6: Final answer
    x = 438,853.85

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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.