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Finding the Fourth Proportional to 535,833.63, 740,064.11 and 352,890

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Solution

The fourth proportional to 535,833.63, 740,064.11 and 352,890 is: 487,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,833.63 : 740,064.11 = 352,890 : x
  2. Step 2: Convert to fraction form
    535,833.63/740,064.11 = 352,890/x
  3. Step 3: Cross multiply
    535,833.63x = 740,064.11 × 352,890
  4. Step 4: Simplify right side
    535,833.63x = 261,161,223,777.90
  5. Step 5: Solve for x
    x = 261,161,223,777.90/535,833.63
  6. Step 6: Final answer
    x = 487,392.37

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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.