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Finding the Fourth Proportional to 555,081.05, 832,700.15 and 170,861.60

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Solution

The fourth proportional to 555,081.05, 832,700.15 and 170,861.60 is: 256,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,081.05 : 832,700.15 = 170,861.60 : x
  2. Step 2: Convert to fraction form
    555,081.05/832,700.15 = 170,861.60/x
  3. Step 3: Cross multiply
    555,081.05x = 832,700.15 × 170,861.60
  4. Step 4: Simplify right side
    555,081.05x = 142,276,474,931.43
  5. Step 5: Solve for x
    x = 142,276,474,931.43/555,081.05
  6. Step 6: Final answer
    x = 256,316.58

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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.