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Finding the Fourth Proportional to 616,769.40, 925,218.90 and 195,947.40

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Solution

The fourth proportional to 616,769.40, 925,218.90 and 195,947.40 is: 293,941.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,769.40 : 925,218.90 = 195,947.40 : x
  2. Step 2: Convert to fraction form
    616,769.40/925,218.90 = 195,947.40/x
  3. Step 3: Cross multiply
    616,769.40x = 925,218.90 × 195,947.40
  4. Step 4: Simplify right side
    616,769.40x = 181,294,237,885.86
  5. Step 5: Solve for x
    x = 181,294,237,885.86/616,769.40
  6. Step 6: Final answer
    x = 293,941.69

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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.