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Finding the Fourth Proportional to 535,587.52, 739,110.40 and 293,871.52

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Solution

The fourth proportional to 535,587.52, 739,110.40 and 293,871.52 is: 405,542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,587.52 : 739,110.40 = 293,871.52 : x
  2. Step 2: Convert to fraction form
    535,587.52/739,110.40 = 293,871.52/x
  3. Step 3: Cross multiply
    535,587.52x = 739,110.40 × 293,871.52
  4. Step 4: Simplify right side
    535,587.52x = 217,203,496,695.81
  5. Step 5: Solve for x
    x = 217,203,496,695.81/535,587.52
  6. Step 6: Final answer
    x = 405,542.49

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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.