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Finding the Fourth Proportional to 582,176.70, 873,005.85 and 266,730.30

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Solution

The fourth proportional to 582,176.70, 873,005.85 and 266,730.30 is: 399,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,176.70 : 873,005.85 = 266,730.30 : x
  2. Step 2: Convert to fraction form
    582,176.70/873,005.85 = 266,730.30/x
  3. Step 3: Cross multiply
    582,176.70x = 873,005.85 × 266,730.30
  4. Step 4: Simplify right side
    582,176.70x = 232,857,112,272.26
  5. Step 5: Solve for x
    x = 232,857,112,272.26/582,176.70
  6. Step 6: Final answer
    x = 399,976.69

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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.