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Finding the Fourth Proportional to 583,574.44, 805,997.02 and 392,255.68

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Solution

The fourth proportional to 583,574.44, 805,997.02 and 392,255.68 is: 541,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,574.44 : 805,997.02 = 392,255.68 : x
  2. Step 2: Convert to fraction form
    583,574.44/805,997.02 = 392,255.68/x
  3. Step 3: Cross multiply
    583,574.44x = 805,997.02 × 392,255.68
  4. Step 4: Simplify right side
    583,574.44x = 316,156,905,128.09
  5. Step 5: Solve for x
    x = 316,156,905,128.09/583,574.44
  6. Step 6: Final answer
    x = 541,759.35

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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.