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Finding the Fourth Proportional to 504,113.74, 695,668.20 and 274,672.93

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Solution

The fourth proportional to 504,113.74, 695,668.20 and 274,672.93 is: 379,043.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,113.74 : 695,668.20 = 274,672.93 : x
  2. Step 2: Convert to fraction form
    504,113.74/695,668.20 = 274,672.93/x
  3. Step 3: Cross multiply
    504,113.74x = 695,668.20 × 274,672.93
  4. Step 4: Simplify right side
    504,113.74x = 191,081,222,801.83
  5. Step 5: Solve for x
    x = 191,081,222,801.83/504,113.74
  6. Step 6: Final answer
    x = 379,043.87

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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.