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Finding the Fourth Proportional to 224,038.40, 335,707.62 and 190,621.04

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Solution

The fourth proportional to 224,038.40, 335,707.62 and 190,621.04 is: 285,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,038.40 : 335,707.62 = 190,621.04 : x
  2. Step 2: Convert to fraction form
    224,038.40/335,707.62 = 190,621.04/x
  3. Step 3: Cross multiply
    224,038.40x = 335,707.62 × 190,621.04
  4. Step 4: Simplify right side
    224,038.40x = 63,992,935,660.32
  5. Step 5: Solve for x
    x = 63,992,935,660.32/224,038.40
  6. Step 6: Final answer
    x = 285,633.78

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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.