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Finding the Fourth Proportional to 582,442.86, 804,019.13 and 391,566.94

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Solution

The fourth proportional to 582,442.86, 804,019.13 and 391,566.94 is: 540,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,442.86 : 804,019.13 = 391,566.94 : x
  2. Step 2: Convert to fraction form
    582,442.86/804,019.13 = 391,566.94/x
  3. Step 3: Cross multiply
    582,442.86x = 804,019.13 × 391,566.94
  4. Step 4: Simplify right side
    582,442.86x = 314,827,310,435.56
  5. Step 5: Solve for x
    x = 314,827,310,435.56/582,442.86
  6. Step 6: Final answer
    x = 540,529.09

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1.5x scale

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.