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Finding the Fourth Proportional to 598,091.78, 825,386.51 and 326,174.51

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Solution

The fourth proportional to 598,091.78, 825,386.51 and 326,174.51 is: 450,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,091.78 : 825,386.51 = 326,174.51 : x
  2. Step 2: Convert to fraction form
    598,091.78/825,386.51 = 326,174.51/x
  3. Step 3: Cross multiply
    598,091.78x = 825,386.51 × 326,174.51
  4. Step 4: Simplify right side
    598,091.78x = 269,220,038,828.99
  5. Step 5: Solve for x
    x = 269,220,038,828.99/598,091.78
  6. Step 6: Final answer
    x = 450,131.65

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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.