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Finding the Fourth Proportional to 501,648.48, 692,229.18 and 297,664.25

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Solution

The fourth proportional to 501,648.48, 692,229.18 and 297,664.25 is: 410,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,648.48 : 692,229.18 = 297,664.25 : x
  2. Step 2: Convert to fraction form
    501,648.48/692,229.18 = 297,664.25/x
  3. Step 3: Cross multiply
    501,648.48x = 692,229.18 × 297,664.25
  4. Step 4: Simplify right side
    501,648.48x = 206,051,876,231.67
  5. Step 5: Solve for x
    x = 206,051,876,231.67/501,648.48
  6. Step 6: Final answer
    x = 410,749.53

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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.