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Finding the Fourth Proportional to 579,525.75, 869,279.39 and 158,801.63

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Solution

The fourth proportional to 579,525.75, 869,279.39 and 158,801.63 is: 238,199.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,525.75 : 869,279.39 = 158,801.63 : x
  2. Step 2: Convert to fraction form
    579,525.75/869,279.39 = 158,801.63/x
  3. Step 3: Cross multiply
    579,525.75x = 869,279.39 × 158,801.63
  4. Step 4: Simplify right side
    579,525.75x = 138,042,984,057.41
  5. Step 5: Solve for x
    x = 138,042,984,057.41/579,525.75
  6. Step 6: Final answer
    x = 238,199.91

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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.