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Finding the Fourth Proportional to 416,959.80, 575,292.78 and 247,053.24

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Solution

The fourth proportional to 416,959.80, 575,292.78 and 247,053.24 is: 340,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,959.80 : 575,292.78 = 247,053.24 : x
  2. Step 2: Convert to fraction form
    416,959.80/575,292.78 = 247,053.24/x
  3. Step 3: Cross multiply
    416,959.80x = 575,292.78 × 247,053.24
  4. Step 4: Simplify right side
    416,959.80x = 142,127,945,247.61
  5. Step 5: Solve for x
    x = 142,127,945,247.61/416,959.80
  6. Step 6: Final answer
    x = 340,867.26

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1.5x scale

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.