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Finding the Fourth Proportional to 564,016.80, 845,820.40 and 283,440.80

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Solution

The fourth proportional to 564,016.80, 845,820.40 and 283,440.80 is: 425,058.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,016.80 : 845,820.40 = 283,440.80 : x
  2. Step 2: Convert to fraction form
    564,016.80/845,820.40 = 283,440.80/x
  3. Step 3: Cross multiply
    564,016.80x = 845,820.40 × 283,440.80
  4. Step 4: Simplify right side
    564,016.80x = 239,740,010,832.32
  5. Step 5: Solve for x
    x = 239,740,010,832.32/564,016.80
  6. Step 6: Final answer
    x = 425,058.28

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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.