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Finding the Fourth Proportional to 583,321.06, 874,850.13 and 209,344.06

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Solution

The fourth proportional to 583,321.06, 874,850.13 and 209,344.06 is: 313,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,321.06 : 874,850.13 = 209,344.06 : x
  2. Step 2: Convert to fraction form
    583,321.06/874,850.13 = 209,344.06/x
  3. Step 3: Cross multiply
    583,321.06x = 874,850.13 × 209,344.06
  4. Step 4: Simplify right side
    583,321.06x = 183,144,678,105.73
  5. Step 5: Solve for x
    x = 183,144,678,105.73/583,321.06
  6. Step 6: Final answer
    x = 313,968.91

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1.5x scale

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.