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Finding the Fourth Proportional to 580,969.60, 871,281.60 and 225,779.20

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Solution

The fourth proportional to 580,969.60, 871,281.60 and 225,779.20 is: 338,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,969.60 : 871,281.60 = 225,779.20 : x
  2. Step 2: Convert to fraction form
    580,969.60/871,281.60 = 225,779.20/x
  3. Step 3: Cross multiply
    580,969.60x = 871,281.60 × 225,779.20
  4. Step 4: Simplify right side
    580,969.60x = 196,717,262,622.72
  5. Step 5: Solve for x
    x = 196,717,262,622.72/580,969.60
  6. Step 6: Final answer
    x = 338,601.65

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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.