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Finding the Fourth Proportional to 516,229.50, 774,373.41 and 183,805.50

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Solution

The fourth proportional to 516,229.50, 774,373.41 and 183,805.50 is: 275,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,229.50 : 774,373.41 = 183,805.50 : x
  2. Step 2: Convert to fraction form
    516,229.50/774,373.41 = 183,805.50/x
  3. Step 3: Cross multiply
    516,229.50x = 774,373.41 × 183,805.50
  4. Step 4: Simplify right side
    516,229.50x = 142,334,091,811.76
  5. Step 5: Solve for x
    x = 142,334,091,811.76/516,229.50
  6. Step 6: Final answer
    x = 275,718.63

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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.