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Finding the Fourth Proportional to 395,130.20, 590,945.70 and 332,144.60

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Solution

The fourth proportional to 395,130.20, 590,945.70 and 332,144.60 is: 496,746.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,130.20 : 590,945.70 = 332,144.60 : x
  2. Step 2: Convert to fraction form
    395,130.20/590,945.70 = 332,144.60/x
  3. Step 3: Cross multiply
    395,130.20x = 590,945.70 × 332,144.60
  4. Step 4: Simplify right side
    395,130.20x = 196,279,423,148.22
  5. Step 5: Solve for x
    x = 196,279,423,148.22/395,130.20
  6. Step 6: Final answer
    x = 496,746.19

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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.