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Finding the Fourth Proportional to 418,149.76, 624,064.66 and 377,793.56

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Solution

The fourth proportional to 418,149.76, 624,064.66 and 377,793.56 is: 563,835.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,149.76 : 624,064.66 = 377,793.56 : x
  2. Step 2: Convert to fraction form
    418,149.76/624,064.66 = 377,793.56/x
  3. Step 3: Cross multiply
    418,149.76x = 624,064.66 × 377,793.56
  4. Step 4: Simplify right side
    418,149.76x = 235,767,609,571.59
  5. Step 5: Solve for x
    x = 235,767,609,571.59/418,149.76
  6. Step 6: Final answer
    x = 563,835.33

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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.