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Finding the Fourth Proportional to 541,057.81, 746,673.66 and 326,211.67

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Solution

The fourth proportional to 541,057.81, 746,673.66 and 326,211.67 is: 450,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,057.81 : 746,673.66 = 326,211.67 : x
  2. Step 2: Convert to fraction form
    541,057.81/746,673.66 = 326,211.67/x
  3. Step 3: Cross multiply
    541,057.81x = 746,673.66 × 326,211.67
  4. Step 4: Simplify right side
    541,057.81x = 243,573,661,573.61
  5. Step 5: Solve for x
    x = 243,573,661,573.61/541,057.81
  6. Step 6: Final answer
    x = 450,180.47

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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.