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Finding the Fourth Proportional to 576,063.92, 795,267.23 and 420,841.04

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Solution

The fourth proportional to 576,063.92, 795,267.23 and 420,841.04 is: 580,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,063.92 : 795,267.23 = 420,841.04 : x
  2. Step 2: Convert to fraction form
    576,063.92/795,267.23 = 420,841.04/x
  3. Step 3: Cross multiply
    576,063.92x = 795,267.23 × 420,841.04
  4. Step 4: Simplify right side
    576,063.92x = 334,681,082,070.58
  5. Step 5: Solve for x
    x = 334,681,082,070.58/576,063.92
  6. Step 6: Final answer
    x = 580,979.07

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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.