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Finding the Fourth Proportional to 331,430.46, 497,210.67 and 131,713.62

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Solution

The fourth proportional to 331,430.46, 497,210.67 and 131,713.62 is: 197,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,430.46 : 497,210.67 = 131,713.62 : x
  2. Step 2: Convert to fraction form
    331,430.46/497,210.67 = 131,713.62/x
  3. Step 3: Cross multiply
    331,430.46x = 497,210.67 × 131,713.62
  4. Step 4: Simplify right side
    331,430.46x = 65,489,417,248.33
  5. Step 5: Solve for x
    x = 65,489,417,248.33/331,430.46
  6. Step 6: Final answer
    x = 197,596.25

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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.