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Finding the Fourth Proportional to 509,552.28, 764,438.37 and 154,594.89

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Solution

The fourth proportional to 509,552.28, 764,438.37 and 154,594.89 is: 231,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,552.28 : 764,438.37 = 154,594.89 : x
  2. Step 2: Convert to fraction form
    509,552.28/764,438.37 = 154,594.89/x
  3. Step 3: Cross multiply
    509,552.28x = 764,438.37 × 154,594.89
  4. Step 4: Simplify right side
    509,552.28x = 118,178,265,721.93
  5. Step 5: Solve for x
    x = 118,178,265,721.93/509,552.28
  6. Step 6: Final answer
    x = 231,925.69

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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.