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Finding the Fourth Proportional to 416,959.80, 625,746.90 and 167,820.60

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Solution

The fourth proportional to 416,959.80, 625,746.90 and 167,820.60 is: 251,854.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,959.80 : 625,746.90 = 167,820.60 : x
  2. Step 2: Convert to fraction form
    416,959.80/625,746.90 = 167,820.60/x
  3. Step 3: Cross multiply
    416,959.80x = 625,746.90 × 167,820.60
  4. Step 4: Simplify right side
    416,959.80x = 105,013,220,206.14
  5. Step 5: Solve for x
    x = 105,013,220,206.14/416,959.80
  6. Step 6: Final answer
    x = 251,854.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.