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Finding the Fourth Proportional to 700,214.77, 966,708.18 and 659,858.47

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Solution

The fourth proportional to 700,214.77, 966,708.18 and 659,858.47 is: 910,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,214.77 : 966,708.18 = 659,858.47 : x
  2. Step 2: Convert to fraction form
    700,214.77/966,708.18 = 659,858.47/x
  3. Step 3: Cross multiply
    700,214.77x = 966,708.18 × 659,858.47
  4. Step 4: Simplify right side
    700,214.77x = 637,890,580,591.29
  5. Step 5: Solve for x
    x = 637,890,580,591.29/700,214.77
  6. Step 6: Final answer
    x = 910,992.75

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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.