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Finding the Fourth Proportional to 586,919.67, 880,123.14 and 207,714.38

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Solution

The fourth proportional to 586,919.67, 880,123.14 and 207,714.38 is: 311,480.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,919.67 : 880,123.14 = 207,714.38 : x
  2. Step 2: Convert to fraction form
    586,919.67/880,123.14 = 207,714.38/x
  3. Step 3: Cross multiply
    586,919.67x = 880,123.14 × 207,714.38
  4. Step 4: Simplify right side
    586,919.67x = 182,814,228,532.33
  5. Step 5: Solve for x
    x = 182,814,228,532.33/586,919.67
  6. Step 6: Final answer
    x = 311,480.83

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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.