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Finding the Fourth Proportional to 253,938.61, 350,364.38 and 200,056.40

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Solution

The fourth proportional to 253,938.61, 350,364.38 and 200,056.40 is: 276,021.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,938.61 : 350,364.38 = 200,056.40 : x
  2. Step 2: Convert to fraction form
    253,938.61/350,364.38 = 200,056.40/x
  3. Step 3: Cross multiply
    253,938.61x = 350,364.38 × 200,056.40
  4. Step 4: Simplify right side
    253,938.61x = 70,092,633,798.93
  5. Step 5: Solve for x
    x = 70,092,633,798.93/253,938.61
  6. Step 6: Final answer
    x = 276,021.97

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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.