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Finding the Fourth Proportional to 560,939.70, 841,410.90 and 224,007.78

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Solution

The fourth proportional to 560,939.70, 841,410.90 and 224,007.78 is: 336,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,939.70 : 841,410.90 = 224,007.78 : x
  2. Step 2: Convert to fraction form
    560,939.70/841,410.90 = 224,007.78/x
  3. Step 3: Cross multiply
    560,939.70x = 841,410.90 × 224,007.78
  4. Step 4: Simplify right side
    560,939.70x = 188,482,587,776.80
  5. Step 5: Solve for x
    x = 188,482,587,776.80/560,939.70
  6. Step 6: Final answer
    x = 336,012.21

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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.