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Finding the Fourth Proportional to 569,482.11, 855,551.77 and 332,990.87

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Solution

The fourth proportional to 569,482.11, 855,551.77 and 332,990.87 is: 500,263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,482.11 : 855,551.77 = 332,990.87 : x
  2. Step 2: Convert to fraction form
    569,482.11/855,551.77 = 332,990.87/x
  3. Step 3: Cross multiply
    569,482.11x = 855,551.77 × 332,990.87
  4. Step 4: Simplify right side
    569,482.11x = 284,890,923,112.10
  5. Step 5: Solve for x
    x = 284,890,923,112.10/569,482.11
  6. Step 6: Final answer
    x = 500,263.17

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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.