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Finding the Fourth Proportional to 402,896.20, 604,278.60 and 118,520.23

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Solution

The fourth proportional to 402,896.20, 604,278.60 and 118,520.23 is: 177,761.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,896.20 : 604,278.60 = 118,520.23 : x
  2. Step 2: Convert to fraction form
    402,896.20/604,278.60 = 118,520.23/x
  3. Step 3: Cross multiply
    402,896.20x = 604,278.60 × 118,520.23
  4. Step 4: Simplify right side
    402,896.20x = 71,619,238,656.08
  5. Step 5: Solve for x
    x = 71,619,238,656.08/402,896.20
  6. Step 6: Final answer
    x = 177,761.02

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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.