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Finding the Fourth Proportional to 525,808.89, 725,616.24 and 284,091.51

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Solution

The fourth proportional to 525,808.89, 725,616.24 and 284,091.51 is: 392,046.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,808.89 : 725,616.24 = 284,091.51 : x
  2. Step 2: Convert to fraction form
    525,808.89/725,616.24 = 284,091.51/x
  3. Step 3: Cross multiply
    525,808.89x = 725,616.24 × 284,091.51
  4. Step 4: Simplify right side
    525,808.89x = 206,141,413,302.12
  5. Step 5: Solve for x
    x = 206,141,413,302.12/525,808.89
  6. Step 6: Final answer
    x = 392,046.27

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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.