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Finding the Fourth Proportional to 225,483.40, 336,460.64 and 224,171.20

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Solution

The fourth proportional to 225,483.40, 336,460.64 and 224,171.20 is: 334,502.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,483.40 : 336,460.64 = 224,171.20 : x
  2. Step 2: Convert to fraction form
    225,483.40/336,460.64 = 224,171.20/x
  3. Step 3: Cross multiply
    225,483.40x = 336,460.64 × 224,171.20
  4. Step 4: Simplify right side
    225,483.40x = 75,424,785,421.57
  5. Step 5: Solve for x
    x = 75,424,785,421.57/225,483.40
  6. Step 6: Final answer
    x = 334,502.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.