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Finding the Fourth Proportional to 516,222.75, 774,363.29 and 183,798.75

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Solution

The fourth proportional to 516,222.75, 774,363.29 and 183,798.75 is: 275,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,222.75 : 774,363.29 = 183,798.75 : x
  2. Step 2: Convert to fraction form
    516,222.75/774,363.29 = 183,798.75/x
  3. Step 3: Cross multiply
    516,222.75x = 774,363.29 × 183,798.75
  4. Step 4: Simplify right side
    516,222.75x = 142,327,003,828.89
  5. Step 5: Solve for x
    x = 142,327,003,828.89/516,222.75
  6. Step 6: Final answer
    x = 275,708.51

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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.