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Finding the Fourth Proportional to 493,643.33, 681,228.29 and 267,288.29

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Solution

The fourth proportional to 493,643.33, 681,228.29 and 267,288.29 is: 368,858.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,643.33 : 681,228.29 = 267,288.29 : x
  2. Step 2: Convert to fraction form
    493,643.33/681,228.29 = 267,288.29/x
  3. Step 3: Cross multiply
    493,643.33x = 681,228.29 × 267,288.29
  4. Step 4: Simplify right side
    493,643.33x = 182,084,343,397.28
  5. Step 5: Solve for x
    x = 182,084,343,397.28/493,643.33
  6. Step 6: Final answer
    x = 368,858.11

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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.