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Finding the Fourth Proportional to 433,044.60, 649,221.30 and 183,521.40

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Solution

The fourth proportional to 433,044.60, 649,221.30 and 183,521.40 is: 275,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,044.60 : 649,221.30 = 183,521.40 : x
  2. Step 2: Convert to fraction form
    433,044.60/649,221.30 = 183,521.40/x
  3. Step 3: Cross multiply
    433,044.60x = 649,221.30 × 183,521.40
  4. Step 4: Simplify right side
    433,044.60x = 119,146,001,885.82
  5. Step 5: Solve for x
    x = 119,146,001,885.82/433,044.60
  6. Step 6: Final answer
    x = 275,135.64

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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.