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Finding the Fourth Proportional to 624,217.33, 935,932.33 and 343,931.41

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Solution

The fourth proportional to 624,217.33, 935,932.33 and 343,931.41 is: 515,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,217.33 : 935,932.33 = 343,931.41 : x
  2. Step 2: Convert to fraction form
    624,217.33/935,932.33 = 343,931.41/x
  3. Step 3: Cross multiply
    624,217.33x = 935,932.33 × 343,931.41
  4. Step 4: Simplify right side
    624,217.33x = 321,896,525,921.49
  5. Step 5: Solve for x
    x = 321,896,525,921.49/624,217.33
  6. Step 6: Final answer
    x = 515,680.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.