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Finding the Fourth Proportional to 958,047.76, 1,321,956.84 and 555,562

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Solution

The fourth proportional to 958,047.76, 1,321,956.84 and 555,562 is: 766,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,047.76 : 1,321,956.84 = 555,562 : x
  2. Step 2: Convert to fraction form
    958,047.76/1,321,956.84 = 555,562/x
  3. Step 3: Cross multiply
    958,047.76x = 1,321,956.84 × 555,562
  4. Step 4: Simplify right side
    958,047.76x = 734,428,985,944.08
  5. Step 5: Solve for x
    x = 734,428,985,944.08/958,047.76
  6. Step 6: Final answer
    x = 766,589.12

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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.