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Finding the Fourth Proportional to 333,503.94, 499,876.83 and 155,977.86

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Solution

The fourth proportional to 333,503.94, 499,876.83 and 155,977.86 is: 233,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,503.94 : 499,876.83 = 155,977.86 : x
  2. Step 2: Convert to fraction form
    333,503.94/499,876.83 = 155,977.86/x
  3. Step 3: Cross multiply
    333,503.94x = 499,876.83 × 155,977.86
  4. Step 4: Simplify right side
    333,503.94x = 77,969,718,206.98
  5. Step 5: Solve for x
    x = 77,969,718,206.98/333,503.94
  6. Step 6: Final answer
    x = 233,789.50

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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.