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Finding the Fourth Proportional to 887,759.68, 1,224,284.88 and 565,133.44

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Solution

The fourth proportional to 887,759.68, 1,224,284.88 and 565,133.44 is: 779,359.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,759.68 : 1,224,284.88 = 565,133.44 : x
  2. Step 2: Convert to fraction form
    887,759.68/1,224,284.88 = 565,133.44/x
  3. Step 3: Cross multiply
    887,759.68x = 1,224,284.88 × 565,133.44
  4. Step 4: Simplify right side
    887,759.68x = 691,884,325,774.39
  5. Step 5: Solve for x
    x = 691,884,325,774.39/887,759.68
  6. Step 6: Final answer
    x = 779,359.93

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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.