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Finding the Fourth Proportional to 576,695.56, 795,907.04 and 479,727.92

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Solution

The fourth proportional to 576,695.56, 795,907.04 and 479,727.92 is: 662,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,695.56 : 795,907.04 = 479,727.92 : x
  2. Step 2: Convert to fraction form
    576,695.56/795,907.04 = 479,727.92/x
  3. Step 3: Cross multiply
    576,695.56x = 795,907.04 × 479,727.92
  4. Step 4: Simplify right side
    576,695.56x = 381,818,828,812.56
  5. Step 5: Solve for x
    x = 381,818,828,812.56/576,695.56
  6. Step 6: Final answer
    x = 662,080.40

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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.