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Finding the Fourth Proportional to 582,546.66, 804,162.15 and 391,670.70

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Solution

The fourth proportional to 582,546.66, 804,162.15 and 391,670.70 is: 540,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,546.66 : 804,162.15 = 391,670.70 : x
  2. Step 2: Convert to fraction form
    582,546.66/804,162.15 = 391,670.70/x
  3. Step 3: Cross multiply
    582,546.66x = 804,162.15 × 391,670.70
  4. Step 4: Simplify right side
    582,546.66x = 314,966,752,204.01
  5. Step 5: Solve for x
    x = 314,966,752,204.01/582,546.66
  6. Step 6: Final answer
    x = 540,672.14

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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.