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Finding the Fourth Proportional to 608,187.29, 912,409.72 and 181,756.31

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Solution

The fourth proportional to 608,187.29, 912,409.72 and 181,756.31 is: 272,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,187.29 : 912,409.72 = 181,756.31 : x
  2. Step 2: Convert to fraction form
    608,187.29/912,409.72 = 181,756.31/x
  3. Step 3: Cross multiply
    608,187.29x = 912,409.72 × 181,756.31
  4. Step 4: Simplify right side
    608,187.29x = 165,836,218,898.89
  5. Step 5: Solve for x
    x = 165,836,218,898.89/608,187.29
  6. Step 6: Final answer
    x = 272,672.95

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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.