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Finding the Fourth Proportional to 490,170.42, 735,255.54 and 157,746.42

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Solution

The fourth proportional to 490,170.42, 735,255.54 and 157,746.42 is: 236,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,170.42 : 735,255.54 = 157,746.42 : x
  2. Step 2: Convert to fraction form
    490,170.42/735,255.54 = 157,746.42/x
  3. Step 3: Cross multiply
    490,170.42x = 735,255.54 × 157,746.42
  4. Step 4: Simplify right side
    490,170.42x = 115,983,929,220.17
  5. Step 5: Solve for x
    x = 115,983,929,220.17/490,170.42
  6. Step 6: Final answer
    x = 236,619.60

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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.