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Finding the Fourth Proportional to 2,849,802.59, 4,274,712.39 and 690,819.14

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Solution

The fourth proportional to 2,849,802.59, 4,274,712.39 and 690,819.14 is: 1,036,230.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849,802.59 : 4,274,712.39 = 690,819.14 : x
  2. Step 2: Convert to fraction form
    2,849,802.59/4,274,712.39 = 690,819.14/x
  3. Step 3: Cross multiply
    2,849,802.59x = 4,274,712.39 × 690,819.14
  4. Step 4: Simplify right side
    2,849,802.59x = 2,953,053,137,007.14
  5. Step 5: Solve for x
    x = 2,953,053,137,007.14/2,849,802.59
  6. Step 6: Final answer
    x = 1,036,230.77

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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.