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Finding the Fourth Proportional to 490,275.77, 735,635.45 and 250,265.72

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Solution

The fourth proportional to 490,275.77, 735,635.45 and 250,265.72 is: 375,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,275.77 : 735,635.45 = 250,265.72 : x
  2. Step 2: Convert to fraction form
    490,275.77/735,635.45 = 250,265.72/x
  3. Step 3: Cross multiply
    490,275.77x = 735,635.45 × 250,265.72
  4. Step 4: Simplify right side
    490,275.77x = 184,104,330,622.27
  5. Step 5: Solve for x
    x = 184,104,330,622.27/490,275.77
  6. Step 6: Final answer
    x = 375,511.79

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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.