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Finding the Fourth Proportional to 220,418.44, 304,063.14 and 152,499.40

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Solution

The fourth proportional to 220,418.44, 304,063.14 and 152,499.40 is: 210,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,418.44 : 304,063.14 = 152,499.40 : x
  2. Step 2: Convert to fraction form
    220,418.44/304,063.14 = 152,499.40/x
  3. Step 3: Cross multiply
    220,418.44x = 304,063.14 × 152,499.40
  4. Step 4: Simplify right side
    220,418.44x = 46,369,446,412.12
  5. Step 5: Solve for x
    x = 46,369,446,412.12/220,418.44
  6. Step 6: Final answer
    x = 210,370.09

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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.