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Finding the Fourth Proportional to 218,898.26, 328,347.48 and 52,686.26

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Solution

The fourth proportional to 218,898.26, 328,347.48 and 52,686.26 is: 79,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,898.26 : 328,347.48 = 52,686.26 : x
  2. Step 2: Convert to fraction form
    218,898.26/328,347.48 = 52,686.26/x
  3. Step 3: Cross multiply
    218,898.26x = 328,347.48 × 52,686.26
  4. Step 4: Simplify right side
    218,898.26x = 17,299,400,701.62
  5. Step 5: Solve for x
    x = 17,299,400,701.62/218,898.26
  6. Step 6: Final answer
    x = 79,029.41

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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.