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Finding the Fourth Proportional to 538,531.80, 807,797.70 and 183,514.20

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Solution

The fourth proportional to 538,531.80, 807,797.70 and 183,514.20 is: 275,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,531.80 : 807,797.70 = 183,514.20 : x
  2. Step 2: Convert to fraction form
    538,531.80/807,797.70 = 183,514.20/x
  3. Step 3: Cross multiply
    538,531.80x = 807,797.70 × 183,514.20
  4. Step 4: Simplify right side
    538,531.80x = 148,242,348,677.34
  5. Step 5: Solve for x
    x = 148,242,348,677.34/538,531.80
  6. Step 6: Final answer
    x = 275,271.30

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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.