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Finding the Fourth Proportional to 718,774.68, 992,227.88 and 464,250

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Solution

The fourth proportional to 718,774.68, 992,227.88 and 464,250 is: 640,870.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,774.68 : 992,227.88 = 464,250 : x
  2. Step 2: Convert to fraction form
    718,774.68/992,227.88 = 464,250/x
  3. Step 3: Cross multiply
    718,774.68x = 992,227.88 × 464,250
  4. Step 4: Simplify right side
    718,774.68x = 460,641,793,290
  5. Step 5: Solve for x
    x = 460,641,793,290/718,774.68
  6. Step 6: Final answer
    x = 640,870.92

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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.