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Finding the Fourth Proportional to 703,398.07, 970,579.65 and 416,871.91

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Solution

The fourth proportional to 703,398.07, 970,579.65 and 416,871.91 is: 575,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,398.07 : 970,579.65 = 416,871.91 : x
  2. Step 2: Convert to fraction form
    703,398.07/970,579.65 = 416,871.91/x
  3. Step 3: Cross multiply
    703,398.07x = 970,579.65 × 416,871.91
  4. Step 4: Simplify right side
    703,398.07x = 404,607,392,502.63
  5. Step 5: Solve for x
    x = 404,607,392,502.63/703,398.07
  6. Step 6: Final answer
    x = 575,218.23

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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.