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Finding the Fourth Proportional to 951,676.20, 1,312,624.62 and 808,209

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Solution

The fourth proportional to 951,676.20, 1,312,624.62 and 808,209 is: 1,114,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,676.20 : 1,312,624.62 = 808,209 : x
  2. Step 2: Convert to fraction form
    951,676.20/1,312,624.62 = 808,209/x
  3. Step 3: Cross multiply
    951,676.20x = 1,312,624.62 × 808,209
  4. Step 4: Simplify right side
    951,676.20x = 1,060,875,031,505.58
  5. Step 5: Solve for x
    x = 1,060,875,031,505.58/951,676.20
  6. Step 6: Final answer
    x = 1,114,743.68

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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.