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Finding the Fourth Proportional to 493,512.60, 740,268.90 and 334,080.30

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Solution

The fourth proportional to 493,512.60, 740,268.90 and 334,080.30 is: 501,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,512.60 : 740,268.90 = 334,080.30 : x
  2. Step 2: Convert to fraction form
    493,512.60/740,268.90 = 334,080.30/x
  3. Step 3: Cross multiply
    493,512.60x = 740,268.90 × 334,080.30
  4. Step 4: Simplify right side
    493,512.60x = 247,309,256,192.67
  5. Step 5: Solve for x
    x = 247,309,256,192.67/493,512.60
  6. Step 6: Final answer
    x = 501,120.45

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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.