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Finding the Fourth Proportional to 353,159, 526,411.64 and 324,815.48

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Solution

The fourth proportional to 353,159, 526,411.64 and 324,815.48 is: 484,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,159 : 526,411.64 = 324,815.48 : x
  2. Step 2: Convert to fraction form
    353,159/526,411.64 = 324,815.48/x
  3. Step 3: Cross multiply
    353,159x = 526,411.64 × 324,815.48
  4. Step 4: Simplify right side
    353,159x = 170,986,649,524.19
  5. Step 5: Solve for x
    x = 170,986,649,524.19/353,159
  6. Step 6: Final answer
    x = 484,163.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.