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Finding the Fourth Proportional to 282,247.44, 389,502.72 and 154,924.08

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Solution

The fourth proportional to 282,247.44, 389,502.72 and 154,924.08 is: 213,795.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,247.44 : 389,502.72 = 154,924.08 : x
  2. Step 2: Convert to fraction form
    282,247.44/389,502.72 = 154,924.08/x
  3. Step 3: Cross multiply
    282,247.44x = 389,502.72 × 154,924.08
  4. Step 4: Simplify right side
    282,247.44x = 60,343,350,553.50
  5. Step 5: Solve for x
    x = 60,343,350,553.50/282,247.44
  6. Step 6: Final answer
    x = 213,795.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.