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Finding the Fourth Proportional to 475,923.69, 656,880.30 and 372,353.58

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Solution

The fourth proportional to 475,923.69, 656,880.30 and 372,353.58 is: 513,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,923.69 : 656,880.30 = 372,353.58 : x
  2. Step 2: Convert to fraction form
    475,923.69/656,880.30 = 372,353.58/x
  3. Step 3: Cross multiply
    475,923.69x = 656,880.30 × 372,353.58
  4. Step 4: Simplify right side
    475,923.69x = 244,591,731,336.47
  5. Step 5: Solve for x
    x = 244,591,731,336.47/475,923.69
  6. Step 6: Final answer
    x = 513,930.57

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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.