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Finding the Fourth Proportional to 590,540.80, 885,381.92 and 235,448.32

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Solution

The fourth proportional to 590,540.80, 885,381.92 and 235,448.32 is: 353,001.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,540.80 : 885,381.92 = 235,448.32 : x
  2. Step 2: Convert to fraction form
    590,540.80/885,381.92 = 235,448.32/x
  3. Step 3: Cross multiply
    590,540.80x = 885,381.92 × 235,448.32
  4. Step 4: Simplify right side
    590,540.80x = 208,461,685,622.37
  5. Step 5: Solve for x
    x = 208,461,685,622.37/590,540.80
  6. Step 6: Final answer
    x = 353,001.33

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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.