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Finding the Fourth Proportional to 988,753.60, 1,483,116 and 314,827.12

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Solution

The fourth proportional to 988,753.60, 1,483,116 and 314,827.12 is: 472,236.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,753.60 : 1,483,116 = 314,827.12 : x
  2. Step 2: Convert to fraction form
    988,753.60/1,483,116 = 314,827.12/x
  3. Step 3: Cross multiply
    988,753.60x = 1,483,116 × 314,827.12
  4. Step 4: Simplify right side
    988,753.60x = 466,925,138,905.92
  5. Step 5: Solve for x
    x = 466,925,138,905.92/988,753.60
  6. Step 6: Final answer
    x = 472,236.09

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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.