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Finding the Fourth Proportional to 522,907.69, 784,693.34 and 223,390.52

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Solution

The fourth proportional to 522,907.69, 784,693.34 and 223,390.52 is: 335,227.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,907.69 : 784,693.34 = 223,390.52 : x
  2. Step 2: Convert to fraction form
    522,907.69/784,693.34 = 223,390.52/x
  3. Step 3: Cross multiply
    522,907.69x = 784,693.34 × 223,390.52
  4. Step 4: Simplify right side
    522,907.69x = 175,293,054,945.63
  5. Step 5: Solve for x
    x = 175,293,054,945.63/522,907.69
  6. Step 6: Final answer
    x = 335,227.53

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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.