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Finding the Fourth Proportional to 360,050.40, 539,816.40 and 202,327.20

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Solution

The fourth proportional to 360,050.40, 539,816.40 and 202,327.20 is: 303,345.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,050.40 : 539,816.40 = 202,327.20 : x
  2. Step 2: Convert to fraction form
    360,050.40/539,816.40 = 202,327.20/x
  3. Step 3: Cross multiply
    360,050.40x = 539,816.40 × 202,327.20
  4. Step 4: Simplify right side
    360,050.40x = 109,219,540,726.08
  5. Step 5: Solve for x
    x = 109,219,540,726.08/360,050.40
  6. Step 6: Final answer
    x = 303,345.14

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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.