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Finding the Fourth Proportional to 248,348.68, 342,728.60 and 152,910.44

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Solution

The fourth proportional to 248,348.68, 342,728.60 and 152,910.44 is: 211,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,348.68 : 342,728.60 = 152,910.44 : x
  2. Step 2: Convert to fraction form
    248,348.68/342,728.60 = 152,910.44/x
  3. Step 3: Cross multiply
    248,348.68x = 342,728.60 × 152,910.44
  4. Step 4: Simplify right side
    248,348.68x = 52,406,781,026.58
  5. Step 5: Solve for x
    x = 52,406,781,026.58/248,348.68
  6. Step 6: Final answer
    x = 211,020.98

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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.