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Finding the Fourth Proportional to 303,640.74, 418,967.10 and 174,624.12

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Solution

The fourth proportional to 303,640.74, 418,967.10 and 174,624.12 is: 240,948.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,640.74 : 418,967.10 = 174,624.12 : x
  2. Step 2: Convert to fraction form
    303,640.74/418,967.10 = 174,624.12/x
  3. Step 3: Cross multiply
    303,640.74x = 418,967.10 × 174,624.12
  4. Step 4: Simplify right side
    303,640.74x = 73,161,761,146.45
  5. Step 5: Solve for x
    x = 73,161,761,146.45/303,640.74
  6. Step 6: Final answer
    x = 240,948.44

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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.