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Finding the Fourth Proportional to 253,884.71, 350,501.29 and 226,962.74

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Solution

The fourth proportional to 253,884.71, 350,501.29 and 226,962.74 is: 313,334.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,884.71 : 350,501.29 = 226,962.74 : x
  2. Step 2: Convert to fraction form
    253,884.71/350,501.29 = 226,962.74/x
  3. Step 3: Cross multiply
    253,884.71x = 350,501.29 × 226,962.74
  4. Step 4: Simplify right side
    253,884.71x = 79,550,733,460.78
  5. Step 5: Solve for x
    x = 79,550,733,460.78/253,884.71
  6. Step 6: Final answer
    x = 313,334.08

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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.