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Finding the Fourth Proportional to 600,499.52, 900,877.78 and 221,421.34

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Solution

The fourth proportional to 600,499.52, 900,877.78 and 221,421.34 is: 332,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,499.52 : 900,877.78 = 221,421.34 : x
  2. Step 2: Convert to fraction form
    600,499.52/900,877.78 = 221,421.34/x
  3. Step 3: Cross multiply
    600,499.52x = 900,877.78 × 221,421.34
  4. Step 4: Simplify right side
    600,499.52x = 199,473,566,922.47
  5. Step 5: Solve for x
    x = 199,473,566,922.47/600,499.52
  6. Step 6: Final answer
    x = 332,179.39

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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.