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Finding the Fourth Proportional to 590,416.80, 814,707.90 and 332,243.88

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Solution

The fourth proportional to 590,416.80, 814,707.90 and 332,243.88 is: 458,458.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,416.80 : 814,707.90 = 332,243.88 : x
  2. Step 2: Convert to fraction form
    590,416.80/814,707.90 = 332,243.88/x
  3. Step 3: Cross multiply
    590,416.80x = 814,707.90 × 332,243.88
  4. Step 4: Simplify right side
    590,416.80x = 270,681,713,762.65
  5. Step 5: Solve for x
    x = 270,681,713,762.65/590,416.80
  6. Step 6: Final answer
    x = 458,458.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.