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Finding the Fourth Proportional to 608,112.51, 912,266.76 and 187,388.19

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Solution

The fourth proportional to 608,112.51, 912,266.76 and 187,388.19 is: 281,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,112.51 : 912,266.76 = 187,388.19 : x
  2. Step 2: Convert to fraction form
    608,112.51/912,266.76 = 187,388.19/x
  3. Step 3: Cross multiply
    608,112.51x = 912,266.76 × 187,388.19
  4. Step 4: Simplify right side
    608,112.51x = 170,948,016,953.56
  5. Step 5: Solve for x
    x = 170,948,016,953.56/608,112.51
  6. Step 6: Final answer
    x = 281,112.48

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1.5x scale

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.