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Finding the Fourth Proportional to 718,759.68, 992,207.18 and 464,235

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Solution

The fourth proportional to 718,759.68, 992,207.18 and 464,235 is: 640,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,759.68 : 992,207.18 = 464,235 : x
  2. Step 2: Convert to fraction form
    718,759.68/992,207.18 = 464,235/x
  3. Step 3: Cross multiply
    718,759.68x = 992,207.18 × 464,235
  4. Step 4: Simplify right side
    718,759.68x = 460,617,300,207.30
  5. Step 5: Solve for x
    x = 460,617,300,207.30/718,759.68
  6. Step 6: Final answer
    x = 640,850.22

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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.