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Finding the Fourth Proportional to 511,036.84, 766,555.26 and 156,031.84

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Solution

The fourth proportional to 511,036.84, 766,555.26 and 156,031.84 is: 234,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,036.84 : 766,555.26 = 156,031.84 : x
  2. Step 2: Convert to fraction form
    511,036.84/766,555.26 = 156,031.84/x
  3. Step 3: Cross multiply
    511,036.84x = 766,555.26 × 156,031.84
  4. Step 4: Simplify right side
    511,036.84x = 119,607,027,679.48
  5. Step 5: Solve for x
    x = 119,607,027,679.48/511,036.84
  6. Step 6: Final answer
    x = 234,047.76

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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.