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Finding the Fourth Proportional to 345,800.97, 518,449.34 and 233,201.45

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Solution

The fourth proportional to 345,800.97, 518,449.34 and 233,201.45 is: 349,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,800.97 : 518,449.34 = 233,201.45 : x
  2. Step 2: Convert to fraction form
    345,800.97/518,449.34 = 233,201.45/x
  3. Step 3: Cross multiply
    345,800.97x = 518,449.34 × 233,201.45
  4. Step 4: Simplify right side
    345,800.97x = 120,903,139,718.67
  5. Step 5: Solve for x
    x = 120,903,139,718.67/345,800.97
  6. Step 6: Final answer
    x = 349,632.16

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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.