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Finding the Fourth Proportional to 445,438.89, 614,772.23 and 350,658.81

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Solution

The fourth proportional to 445,438.89, 614,772.23 and 350,658.81 is: 483,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,438.89 : 614,772.23 = 350,658.81 : x
  2. Step 2: Convert to fraction form
    445,438.89/614,772.23 = 350,658.81/x
  3. Step 3: Cross multiply
    445,438.89x = 614,772.23 × 350,658.81
  4. Step 4: Simplify right side
    445,438.89x = 215,575,296,839.55
  5. Step 5: Solve for x
    x = 215,575,296,839.55/445,438.89
  6. Step 6: Final answer
    x = 483,961.55

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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.