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Finding the Fourth Proportional to 580,455.54, 871,019.46 and 243,466.20

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Solution

The fourth proportional to 580,455.54, 871,019.46 and 243,466.20 is: 365,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,455.54 : 871,019.46 = 243,466.20 : x
  2. Step 2: Convert to fraction form
    580,455.54/871,019.46 = 243,466.20/x
  3. Step 3: Cross multiply
    580,455.54x = 871,019.46 × 243,466.20
  4. Step 4: Simplify right side
    580,455.54x = 212,063,798,052.25
  5. Step 5: Solve for x
    x = 212,063,798,052.25/580,455.54
  6. Step 6: Final answer
    x = 365,340.29

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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.