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Finding the Fourth Proportional to 950,497.59, 1,311,686.42 and 520,794.03

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Solution

The fourth proportional to 950,497.59, 1,311,686.42 and 520,794.03 is: 718,695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,497.59 : 1,311,686.42 = 520,794.03 : x
  2. Step 2: Convert to fraction form
    950,497.59/1,311,686.42 = 520,794.03/x
  3. Step 3: Cross multiply
    950,497.59x = 1,311,686.42 × 520,794.03
  4. Step 4: Simplify right side
    950,497.59x = 683,118,454,164.10
  5. Step 5: Solve for x
    x = 683,118,454,164.10/950,497.59
  6. Step 6: Final answer
    x = 718,695.62

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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.