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Finding the Fourth Proportional to 590,521.74, 885,353.49 and 235,429.26

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Solution

The fourth proportional to 590,521.74, 885,353.49 and 235,429.26 is: 352,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,521.74 : 885,353.49 = 235,429.26 : x
  2. Step 2: Convert to fraction form
    590,521.74/885,353.49 = 235,429.26/x
  3. Step 3: Cross multiply
    590,521.74x = 885,353.49 × 235,429.26
  4. Step 4: Simplify right side
    590,521.74x = 208,438,116,989.12
  5. Step 5: Solve for x
    x = 208,438,116,989.12/590,521.74
  6. Step 6: Final answer
    x = 352,972.81

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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.