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Finding the Fourth Proportional to 375,712.38, 518,484.90 and 224,809.38

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Solution

The fourth proportional to 375,712.38, 518,484.90 and 224,809.38 is: 310,238.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,712.38 : 518,484.90 = 224,809.38 : x
  2. Step 2: Convert to fraction form
    375,712.38/518,484.90 = 224,809.38/x
  3. Step 3: Cross multiply
    375,712.38x = 518,484.90 × 224,809.38
  4. Step 4: Simplify right side
    375,712.38x = 116,560,268,908.36
  5. Step 5: Solve for x
    x = 116,560,268,908.36/375,712.38
  6. Step 6: Final answer
    x = 310,238.03

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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.