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Finding the Fourth Proportional to 560,070.80, 772,671.87 and 324,169.49

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Solution

The fourth proportional to 560,070.80, 772,671.87 and 324,169.49 is: 447,223.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,070.80 : 772,671.87 = 324,169.49 : x
  2. Step 2: Convert to fraction form
    560,070.80/772,671.87 = 324,169.49/x
  3. Step 3: Cross multiply
    560,070.80x = 772,671.87 × 324,169.49
  4. Step 4: Simplify right side
    560,070.80x = 250,476,646,035.25
  5. Step 5: Solve for x
    x = 250,476,646,035.25/560,070.80
  6. Step 6: Final answer
    x = 447,223.18

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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.