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Finding the Fourth Proportional to 582,424.63, 803,800.26 and 340,691.87

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Solution

The fourth proportional to 582,424.63, 803,800.26 and 340,691.87 is: 470,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,424.63 : 803,800.26 = 340,691.87 : x
  2. Step 2: Convert to fraction form
    582,424.63/803,800.26 = 340,691.87/x
  3. Step 3: Cross multiply
    582,424.63x = 803,800.26 × 340,691.87
  4. Step 4: Simplify right side
    582,424.63x = 273,848,215,695.39
  5. Step 5: Solve for x
    x = 273,848,215,695.39/582,424.63
  6. Step 6: Final answer
    x = 470,186.53

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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.