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Finding the Fourth Proportional to 272,931.30, 409,396.95 and 246,687.30

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Solution

The fourth proportional to 272,931.30, 409,396.95 and 246,687.30 is: 370,030.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,931.30 : 409,396.95 = 246,687.30 : x
  2. Step 2: Convert to fraction form
    272,931.30/409,396.95 = 246,687.30/x
  3. Step 3: Cross multiply
    272,931.30x = 409,396.95 × 246,687.30
  4. Step 4: Simplify right side
    272,931.30x = 100,993,028,223.74
  5. Step 5: Solve for x
    x = 100,993,028,223.74/272,931.30
  6. Step 6: Final answer
    x = 370,030.95

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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.