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Finding the Fourth Proportional to 400,594.25, 552,820.07 and 221,746.25

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Solution

The fourth proportional to 400,594.25, 552,820.07 and 221,746.25 is: 306,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,594.25 : 552,820.07 = 221,746.25 : x
  2. Step 2: Convert to fraction form
    400,594.25/552,820.07 = 221,746.25/x
  3. Step 3: Cross multiply
    400,594.25x = 552,820.07 × 221,746.25
  4. Step 4: Simplify right side
    400,594.25x = 122,585,777,447.24
  5. Step 5: Solve for x
    x = 122,585,777,447.24/400,594.25
  6. Step 6: Final answer
    x = 306,009.83

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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.