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Finding the Fourth Proportional to 592,561.77, 889,340.40 and 255,856.92

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Solution

The fourth proportional to 592,561.77, 889,340.40 and 255,856.92 is: 384,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,561.77 : 889,340.40 = 255,856.92 : x
  2. Step 2: Convert to fraction form
    592,561.77/889,340.40 = 255,856.92/x
  3. Step 3: Cross multiply
    592,561.77x = 889,340.40 × 255,856.92
  4. Step 4: Simplify right side
    592,561.77x = 227,543,895,575.57
  5. Step 5: Solve for x
    x = 227,543,895,575.57/592,561.77
  6. Step 6: Final answer
    x = 384,000.30

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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.