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Finding the Fourth Proportional to 268,296.80, 403,222.80 and 234,082.40

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Solution

The fourth proportional to 268,296.80, 403,222.80 and 234,082.40 is: 351,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,296.80 : 403,222.80 = 234,082.40 : x
  2. Step 2: Convert to fraction form
    268,296.80/403,222.80 = 234,082.40/x
  3. Step 3: Cross multiply
    268,296.80x = 403,222.80 × 234,082.40
  4. Step 4: Simplify right side
    268,296.80x = 94,387,360,758.72
  5. Step 5: Solve for x
    x = 94,387,360,758.72/268,296.80
  6. Step 6: Final answer
    x = 351,802.04

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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.