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Finding the Fourth Proportional to 456,753.36, 630,320.91 and 252,818.35

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Solution

The fourth proportional to 456,753.36, 630,320.91 and 252,818.35 is: 348,890.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,753.36 : 630,320.91 = 252,818.35 : x
  2. Step 2: Convert to fraction form
    456,753.36/630,320.91 = 252,818.35/x
  3. Step 3: Cross multiply
    456,753.36x = 630,320.91 × 252,818.35
  4. Step 4: Simplify right side
    456,753.36x = 159,356,689,912.83
  5. Step 5: Solve for x
    x = 159,356,689,912.83/456,753.36
  6. Step 6: Final answer
    x = 348,890.02

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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.