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Finding the Fourth Proportional to 501,641.75, 692,263.54 and 297,860.43

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Solution

The fourth proportional to 501,641.75, 692,263.54 and 297,860.43 is: 411,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,641.75 : 692,263.54 = 297,860.43 : x
  2. Step 2: Convert to fraction form
    501,641.75/692,263.54 = 297,860.43/x
  3. Step 3: Cross multiply
    501,641.75x = 692,263.54 × 297,860.43
  4. Step 4: Simplify right side
    501,641.75x = 206,197,912,236.41
  5. Step 5: Solve for x
    x = 206,197,912,236.41/501,641.75
  6. Step 6: Final answer
    x = 411,046.15

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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.