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Finding the Fourth Proportional to 458,644.79, 633,229.58 and 297,957.80

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Solution

The fourth proportional to 458,644.79, 633,229.58 and 297,957.80 is: 411,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,644.79 : 633,229.58 = 297,957.80 : x
  2. Step 2: Convert to fraction form
    458,644.79/633,229.58 = 297,957.80/x
  3. Step 3: Cross multiply
    458,644.79x = 633,229.58 × 297,957.80
  4. Step 4: Simplify right side
    458,644.79x = 188,675,694,879.69
  5. Step 5: Solve for x
    x = 188,675,694,879.69/458,644.79
  6. Step 6: Final answer
    x = 411,376.51

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1.5x scale

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.