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Finding the Fourth Proportional to 564,862.20, 847,293.30 and 190,879.80

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Solution

The fourth proportional to 564,862.20, 847,293.30 and 190,879.80 is: 286,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,862.20 : 847,293.30 = 190,879.80 : x
  2. Step 2: Convert to fraction form
    564,862.20/847,293.30 = 190,879.80/x
  3. Step 3: Cross multiply
    564,862.20x = 847,293.30 × 190,879.80
  4. Step 4: Simplify right side
    564,862.20x = 161,731,175,645.34
  5. Step 5: Solve for x
    x = 161,731,175,645.34/564,862.20
  6. Step 6: Final answer
    x = 286,319.70

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Similar ratio
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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.