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Finding the Fourth Proportional to 437,102.28, 603,221.40 and 265,025.52

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Solution

The fourth proportional to 437,102.28, 603,221.40 and 265,025.52 is: 365,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,102.28 : 603,221.40 = 265,025.52 : x
  2. Step 2: Convert to fraction form
    437,102.28/603,221.40 = 265,025.52/x
  3. Step 3: Cross multiply
    437,102.28x = 603,221.40 × 265,025.52
  4. Step 4: Simplify right side
    437,102.28x = 159,869,065,210.13
  5. Step 5: Solve for x
    x = 159,869,065,210.13/437,102.28
  6. Step 6: Final answer
    x = 365,747.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.