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Finding the Fourth Proportional to 467,598.84, 645,501.24 and 273,979.68

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Solution

The fourth proportional to 467,598.84, 645,501.24 and 273,979.68 is: 378,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,598.84 : 645,501.24 = 273,979.68 : x
  2. Step 2: Convert to fraction form
    467,598.84/645,501.24 = 273,979.68/x
  3. Step 3: Cross multiply
    467,598.84x = 645,501.24 × 273,979.68
  4. Step 4: Simplify right side
    467,598.84x = 176,854,223,174.80
  5. Step 5: Solve for x
    x = 176,854,223,174.80/467,598.84
  6. Step 6: Final answer
    x = 378,217.84

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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.