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Finding the Fourth Proportional to 371,792.33, 513,076.67 and 202,026.45

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Solution

The fourth proportional to 371,792.33, 513,076.67 and 202,026.45 is: 278,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,792.33 : 513,076.67 = 202,026.45 : x
  2. Step 2: Convert to fraction form
    371,792.33/513,076.67 = 202,026.45/x
  3. Step 3: Cross multiply
    371,792.33x = 513,076.67 × 202,026.45
  4. Step 4: Simplify right side
    371,792.33x = 103,655,058,217.92
  5. Step 5: Solve for x
    x = 103,655,058,217.92/371,792.33
  6. Step 6: Final answer
    x = 278,798.27

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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.