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Finding the Fourth Proportional to 207,470.40, 310,514.40 and 182,587.20

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Solution

The fourth proportional to 207,470.40, 310,514.40 and 182,587.20 is: 273,272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,470.40 : 310,514.40 = 182,587.20 : x
  2. Step 2: Convert to fraction form
    207,470.40/310,514.40 = 182,587.20/x
  3. Step 3: Cross multiply
    207,470.40x = 310,514.40 × 182,587.20
  4. Step 4: Simplify right side
    207,470.40x = 56,695,954,855.68
  5. Step 5: Solve for x
    x = 56,695,954,855.68/207,470.40
  6. Step 6: Final answer
    x = 273,272.50

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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.