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Finding the Fourth Proportional to 576,158.00, 865,357.36 and 469,620.11

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Solution

The fourth proportional to 576,158.00, 865,357.36 and 469,620.11 is: 705,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,158.00 : 865,357.36 = 469,620.11 : x
  2. Step 2: Convert to fraction form
    576,158.00/865,357.36 = 469,620.11/x
  3. Step 3: Cross multiply
    576,158.00x = 865,357.36 × 469,620.11
  4. Step 4: Simplify right side
    576,158.00x = 406,389,219,581.85
  5. Step 5: Solve for x
    x = 406,389,219,581.85/576,158.00
  6. Step 6: Final answer
    x = 705,343.37

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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.