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Finding the Fourth Proportional to 504,856.80, 757,798.70 and 252,318.47

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Solution

The fourth proportional to 504,856.80, 757,798.70 and 252,318.47 is: 378,734.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,856.80 : 757,798.70 = 252,318.47 : x
  2. Step 2: Convert to fraction form
    504,856.80/757,798.70 = 252,318.47/x
  3. Step 3: Cross multiply
    504,856.80x = 757,798.70 × 252,318.47
  4. Step 4: Simplify right side
    504,856.80x = 191,206,603,501.40
  5. Step 5: Solve for x
    x = 191,206,603,501.40/504,856.80
  6. Step 6: Final answer
    x = 378,734.33

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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.