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Finding the Fourth Proportional to 559,809.70, 839,714.55 and 185,832.70

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Solution

The fourth proportional to 559,809.70, 839,714.55 and 185,832.70 is: 278,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,809.70 : 839,714.55 = 185,832.70 : x
  2. Step 2: Convert to fraction form
    559,809.70/839,714.55 = 185,832.70/x
  3. Step 3: Cross multiply
    559,809.70x = 839,714.55 × 185,832.70
  4. Step 4: Simplify right side
    559,809.70x = 156,046,422,055.79
  5. Step 5: Solve for x
    x = 156,046,422,055.79/559,809.70
  6. Step 6: Final answer
    x = 278,749.05

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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.