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Finding the Fourth Proportional to 522,860.34, 784,274.04 and 148,883.34

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Solution

The fourth proportional to 522,860.34, 784,274.04 and 148,883.34 is: 223,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,860.34 : 784,274.04 = 148,883.34 : x
  2. Step 2: Convert to fraction form
    522,860.34/784,274.04 = 148,883.34/x
  3. Step 3: Cross multiply
    522,860.34x = 784,274.04 × 148,883.34
  4. Step 4: Simplify right side
    522,860.34x = 116,765,338,550.49
  5. Step 5: Solve for x
    x = 116,765,338,550.49/522,860.34
  6. Step 6: Final answer
    x = 223,320.32

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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.