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Finding the Fourth Proportional to 532,054.20, 798,081.30 and 177,079.80

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Solution

The fourth proportional to 532,054.20, 798,081.30 and 177,079.80 is: 265,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,054.20 : 798,081.30 = 177,079.80 : x
  2. Step 2: Convert to fraction form
    532,054.20/798,081.30 = 177,079.80/x
  3. Step 3: Cross multiply
    532,054.20x = 798,081.30 × 177,079.80
  4. Step 4: Simplify right side
    532,054.20x = 141,324,076,987.74
  5. Step 5: Solve for x
    x = 141,324,076,987.74/532,054.20
  6. Step 6: Final answer
    x = 265,619.70

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Double scale
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Similar ratio
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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.