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Finding the Fourth Proportional to 619,213, 928,831.02 and 175,992.52

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Solution

The fourth proportional to 619,213, 928,831.02 and 175,992.52 is: 263,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,213 : 928,831.02 = 175,992.52 : x
  2. Step 2: Convert to fraction form
    619,213/928,831.02 = 175,992.52/x
  3. Step 3: Cross multiply
    619,213x = 928,831.02 × 175,992.52
  4. Step 4: Simplify right side
    619,213x = 163,467,311,863.97
  5. Step 5: Solve for x
    x = 163,467,311,863.97/619,213
  6. Step 6: Final answer
    x = 263,992.05

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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.