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Finding the Fourth Proportional to 372,211.04, 513,733.90 and 227,048.90

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Solution

The fourth proportional to 372,211.04, 513,733.90 and 227,048.90 is: 313,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,211.04 : 513,733.90 = 227,048.90 : x
  2. Step 2: Convert to fraction form
    372,211.04/513,733.90 = 227,048.90/x
  3. Step 3: Cross multiply
    372,211.04x = 513,733.90 × 227,048.90
  4. Step 4: Simplify right side
    372,211.04x = 116,642,716,887.71
  5. Step 5: Solve for x
    x = 116,642,716,887.71/372,211.04
  6. Step 6: Final answer
    x = 313,377.91

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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.