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Finding the Fourth Proportional to 593,800.72, 891,007.32 and 278,289.68

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Solution

The fourth proportional to 593,800.72, 891,007.32 and 278,289.68 is: 417,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,800.72 : 891,007.32 = 278,289.68 : x
  2. Step 2: Convert to fraction form
    593,800.72/891,007.32 = 278,289.68/x
  3. Step 3: Cross multiply
    593,800.72x = 891,007.32 × 278,289.68
  4. Step 4: Simplify right side
    593,800.72x = 247,958,141,960.46
  5. Step 5: Solve for x
    x = 247,958,141,960.46/593,800.72
  6. Step 6: Final answer
    x = 417,578.04

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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.