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Finding the Fourth Proportional to 218,614.61, 301,827.45 and 178,424.24

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Solution

The fourth proportional to 218,614.61, 301,827.45 and 178,424.24 is: 246,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,614.61 : 301,827.45 = 178,424.24 : x
  2. Step 2: Convert to fraction form
    218,614.61/301,827.45 = 178,424.24/x
  3. Step 3: Cross multiply
    218,614.61x = 301,827.45 × 178,424.24
  4. Step 4: Simplify right side
    218,614.61x = 53,853,331,868.25
  5. Step 5: Solve for x
    x = 53,853,331,868.25/218,614.61
  6. Step 6: Final answer
    x = 246,339.13

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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.