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Finding the Fourth Proportional to 604,739.42, 907,267.31 and 225,663.47

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Solution

The fourth proportional to 604,739.42, 907,267.31 and 225,663.47 is: 338,554.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,739.42 : 907,267.31 = 225,663.47 : x
  2. Step 2: Convert to fraction form
    604,739.42/907,267.31 = 225,663.47/x
  3. Step 3: Cross multiply
    604,739.42x = 907,267.31 × 225,663.47
  4. Step 4: Simplify right side
    604,739.42x = 204,737,083,727.51
  5. Step 5: Solve for x
    x = 204,737,083,727.51/604,739.42
  6. Step 6: Final answer
    x = 338,554.22

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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.