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Finding the Fourth Proportional to 535,832.63, 740,062.73 and 352,889.00

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Solution

The fourth proportional to 535,832.63, 740,062.73 and 352,889.00 is: 487,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,832.63 : 740,062.73 = 352,889.00 : x
  2. Step 2: Convert to fraction form
    535,832.63/740,062.73 = 352,889.00/x
  3. Step 3: Cross multiply
    535,832.63x = 740,062.73 × 352,889.00
  4. Step 4: Simplify right side
    535,832.63x = 261,159,991,262.21
  5. Step 5: Solve for x
    x = 261,159,991,262.21/535,832.63
  6. Step 6: Final answer
    x = 487,390.98

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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.