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Finding the Fourth Proportional to 502,668.06, 693,450.72 and 445,365.84

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Solution

The fourth proportional to 502,668.06, 693,450.72 and 445,365.84 is: 614,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,668.06 : 693,450.72 = 445,365.84 : x
  2. Step 2: Convert to fraction form
    502,668.06/693,450.72 = 445,365.84/x
  3. Step 3: Cross multiply
    502,668.06x = 693,450.72 × 445,365.84
  4. Step 4: Simplify right side
    502,668.06x = 308,839,262,411.41
  5. Step 5: Solve for x
    x = 308,839,262,411.41/502,668.06
  6. Step 6: Final answer
    x = 614,400.01

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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.