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Finding the Fourth Proportional to 322,078.60, 483,117.90 and 202,328.20

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Solution

The fourth proportional to 322,078.60, 483,117.90 and 202,328.20 is: 303,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,078.60 : 483,117.90 = 202,328.20 : x
  2. Step 2: Convert to fraction form
    322,078.60/483,117.90 = 202,328.20/x
  3. Step 3: Cross multiply
    322,078.60x = 483,117.90 × 202,328.20
  4. Step 4: Simplify right side
    322,078.60x = 97,748,375,094.78
  5. Step 5: Solve for x
    x = 97,748,375,094.78/322,078.60
  6. Step 6: Final answer
    x = 303,492.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.