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Finding the Fourth Proportional to 453,213.78, 625,439.19 and 246,484.10

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Solution

The fourth proportional to 453,213.78, 625,439.19 and 246,484.10 is: 340,150.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,213.78 : 625,439.19 = 246,484.10 : x
  2. Step 2: Convert to fraction form
    453,213.78/625,439.19 = 246,484.10/x
  3. Step 3: Cross multiply
    453,213.78x = 625,439.19 × 246,484.10
  4. Step 4: Simplify right side
    453,213.78x = 154,160,811,492.26
  5. Step 5: Solve for x
    x = 154,160,811,492.26/453,213.78
  6. Step 6: Final answer
    x = 340,150.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.