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Finding the Fourth Proportional to 453,023.90, 624,518.18 and 299,805.41

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Solution

The fourth proportional to 453,023.90, 624,518.18 and 299,805.41 is: 413,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,023.90 : 624,518.18 = 299,805.41 : x
  2. Step 2: Convert to fraction form
    453,023.90/624,518.18 = 299,805.41/x
  3. Step 3: Cross multiply
    453,023.90x = 624,518.18 × 299,805.41
  4. Step 4: Simplify right side
    453,023.90x = 187,233,929,007.35
  5. Step 5: Solve for x
    x = 187,233,929,007.35/453,023.90
  6. Step 6: Final answer
    x = 413,298.13

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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.