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Finding the Fourth Proportional to 567,861.28, 851,607.59 and 188,680.19

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Solution

The fourth proportional to 567,861.28, 851,607.59 and 188,680.19 is: 282,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,861.28 : 851,607.59 = 188,680.19 : x
  2. Step 2: Convert to fraction form
    567,861.28/851,607.59 = 188,680.19/x
  3. Step 3: Cross multiply
    567,861.28x = 851,607.59 × 188,680.19
  4. Step 4: Simplify right side
    567,861.28x = 160,681,477,746.53
  5. Step 5: Solve for x
    x = 160,681,477,746.53/567,861.28
  6. Step 6: Final answer
    x = 282,959.03

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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.