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Finding the Fourth Proportional to 331,501.60, 497,106.60 and 131,755.60

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Solution

The fourth proportional to 331,501.60, 497,106.60 and 131,755.60 is: 197,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,501.60 : 497,106.60 = 131,755.60 : x
  2. Step 2: Convert to fraction form
    331,501.60/497,106.60 = 131,755.60/x
  3. Step 3: Cross multiply
    331,501.60x = 497,106.60 × 131,755.60
  4. Step 4: Simplify right side
    331,501.60x = 65,496,578,346.96
  5. Step 5: Solve for x
    x = 65,496,578,346.96/331,501.60
  6. Step 6: Final answer
    x = 197,575.45

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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.