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Finding the Fourth Proportional to 833,091, 1,248,794.96 and 328,006.39

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Solution

The fourth proportional to 833,091, 1,248,794.96 and 328,006.39 is: 491,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,091 : 1,248,794.96 = 328,006.39 : x
  2. Step 2: Convert to fraction form
    833,091/1,248,794.96 = 328,006.39/x
  3. Step 3: Cross multiply
    833,091x = 1,248,794.96 × 328,006.39
  4. Step 4: Simplify right side
    833,091x = 409,612,726,679.79
  5. Step 5: Solve for x
    x = 409,612,726,679.79/833,091
  6. Step 6: Final answer
    x = 491,678.25

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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.