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Finding the Fourth Proportional to 451,358.22, 622,851.21 and 260,360.22

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Solution

The fourth proportional to 451,358.22, 622,851.21 and 260,360.22 is: 359,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,358.22 : 622,851.21 = 260,360.22 : x
  2. Step 2: Convert to fraction form
    451,358.22/622,851.21 = 260,360.22/x
  3. Step 3: Cross multiply
    451,358.22x = 622,851.21 × 260,360.22
  4. Step 4: Simplify right side
    451,358.22x = 162,165,678,062.87
  5. Step 5: Solve for x
    x = 162,165,678,062.87/451,358.22
  6. Step 6: Final answer
    x = 359,283.76

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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.