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Finding the Fourth Proportional to 580,784.60, 871,175.08 and 154,363.34

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Solution

The fourth proportional to 580,784.60, 871,175.08 and 154,363.34 is: 231,544.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,784.60 : 871,175.08 = 154,363.34 : x
  2. Step 2: Convert to fraction form
    580,784.60/871,175.08 = 154,363.34/x
  3. Step 3: Cross multiply
    580,784.60x = 871,175.08 × 154,363.34
  4. Step 4: Simplify right side
    580,784.60x = 134,477,495,073.57
  5. Step 5: Solve for x
    x = 134,477,495,073.57/580,784.60
  6. Step 6: Final answer
    x = 231,544.53

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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.