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Finding the Fourth Proportional to 649,711.99, 969,809.23 and 573,013.90

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Solution

The fourth proportional to 649,711.99, 969,809.23 and 573,013.90 is: 855,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,711.99 : 969,809.23 = 573,013.90 : x
  2. Step 2: Convert to fraction form
    649,711.99/969,809.23 = 573,013.90/x
  3. Step 3: Cross multiply
    649,711.99x = 969,809.23 × 573,013.90
  4. Step 4: Simplify right side
    649,711.99x = 555,714,171,066.83
  5. Step 5: Solve for x
    x = 555,714,171,066.83/649,711.99
  6. Step 6: Final answer
    x = 855,323.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.