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Finding the Fourth Proportional to 630,019.84, 944,752.48 and 230,556.80

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Solution

The fourth proportional to 630,019.84, 944,752.48 and 230,556.80 is: 345,733.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,019.84 : 944,752.48 = 230,556.80 : x
  2. Step 2: Convert to fraction form
    630,019.84/944,752.48 = 230,556.80/x
  3. Step 3: Cross multiply
    630,019.84x = 944,752.48 × 230,556.80
  4. Step 4: Simplify right side
    630,019.84x = 217,819,108,580.86
  5. Step 5: Solve for x
    x = 217,819,108,580.86/630,019.84
  6. Step 6: Final answer
    x = 345,733.73

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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.