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Finding the Fourth Proportional to 630,079.02, 944,842.05 and 230,616.30

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Solution

The fourth proportional to 630,079.02, 944,842.05 and 230,616.30 is: 345,823.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,079.02 : 944,842.05 = 230,616.30 : x
  2. Step 2: Convert to fraction form
    630,079.02/944,842.05 = 230,616.30/x
  3. Step 3: Cross multiply
    630,079.02x = 944,842.05 × 230,616.30
  4. Step 4: Simplify right side
    630,079.02x = 217,895,977,655.42
  5. Step 5: Solve for x
    x = 217,895,977,655.42/630,079.02
  6. Step 6: Final answer
    x = 345,823.26

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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.