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Finding the Fourth Proportional to 415,709.50, 573,679.95 and 224,722.87

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Solution

The fourth proportional to 415,709.50, 573,679.95 and 224,722.87 is: 310,118.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,709.50 : 573,679.95 = 224,722.87 : x
  2. Step 2: Convert to fraction form
    415,709.50/573,679.95 = 224,722.87/x
  3. Step 3: Cross multiply
    415,709.50x = 573,679.95 × 224,722.87
  4. Step 4: Simplify right side
    415,709.50x = 128,919,004,825.46
  5. Step 5: Solve for x
    x = 128,919,004,825.46/415,709.50
  6. Step 6: Final answer
    x = 310,118.01

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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.