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Finding the Fourth Proportional to 371,046.48, 512,040.60 and 201,281.28

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Solution

The fourth proportional to 371,046.48, 512,040.60 and 201,281.28 is: 277,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,046.48 : 512,040.60 = 201,281.28 : x
  2. Step 2: Convert to fraction form
    371,046.48/512,040.60 = 201,281.28/x
  3. Step 3: Cross multiply
    371,046.48x = 512,040.60 × 201,281.28
  4. Step 4: Simplify right side
    371,046.48x = 103,064,187,379.97
  5. Step 5: Solve for x
    x = 103,064,187,379.97/371,046.48
  6. Step 6: Final answer
    x = 277,766.24

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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.