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Finding the Fourth Proportional to 282,713.33, 424,085.90 and 90,604.49

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Solution

The fourth proportional to 282,713.33, 424,085.90 and 90,604.49 is: 135,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,713.33 : 424,085.90 = 90,604.49 : x
  2. Step 2: Convert to fraction form
    282,713.33/424,085.90 = 90,604.49/x
  3. Step 3: Cross multiply
    282,713.33x = 424,085.90 × 90,604.49
  4. Step 4: Simplify right side
    282,713.33x = 38,424,084,112.24
  5. Step 5: Solve for x
    x = 38,424,084,112.24/282,713.33
  6. Step 6: Final answer
    x = 135,911.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.