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Finding the Fourth Proportional to 864,967.80, 1,297,448.64 and 233,881.56

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Solution

The fourth proportional to 864,967.80, 1,297,448.64 and 233,881.56 is: 350,821.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,967.80 : 1,297,448.64 = 233,881.56 : x
  2. Step 2: Convert to fraction form
    864,967.80/1,297,448.64 = 233,881.56/x
  3. Step 3: Cross multiply
    864,967.80x = 1,297,448.64 × 233,881.56
  4. Step 4: Simplify right side
    864,967.80x = 303,449,311,943.08
  5. Step 5: Solve for x
    x = 303,449,311,943.08/864,967.80
  6. Step 6: Final answer
    x = 350,821.51

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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.