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Finding the Fourth Proportional to 551,470.95, 827,263.94 and 152,111.79

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Solution

The fourth proportional to 551,470.95, 827,263.94 and 152,111.79 is: 228,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,470.95 : 827,263.94 = 152,111.79 : x
  2. Step 2: Convert to fraction form
    551,470.95/827,263.94 = 152,111.79/x
  3. Step 3: Cross multiply
    551,470.95x = 827,263.94 × 152,111.79
  4. Step 4: Simplify right side
    551,470.95x = 125,836,597,955.29
  5. Step 5: Solve for x
    x = 125,836,597,955.29/551,470.95
  6. Step 6: Final answer
    x = 228,183.55

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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.