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Finding the Fourth Proportional to 556,994.62, 835,491.38 and 197,428.88

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Solution

The fourth proportional to 556,994.62, 835,491.38 and 197,428.88 is: 296,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,994.62 : 835,491.38 = 197,428.88 : x
  2. Step 2: Convert to fraction form
    556,994.62/835,491.38 = 197,428.88/x
  3. Step 3: Cross multiply
    556,994.62x = 835,491.38 × 197,428.88
  4. Step 4: Simplify right side
    556,994.62x = 164,950,127,403.05
  5. Step 5: Solve for x
    x = 164,950,127,403.05/556,994.62
  6. Step 6: Final answer
    x = 296,143.13

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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.