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Finding the Fourth Proportional to 535,385.12, 738,832.46 and 293,669.64

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Solution

The fourth proportional to 535,385.12, 738,832.46 and 293,669.64 is: 405,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,385.12 : 738,832.46 = 293,669.64 : x
  2. Step 2: Convert to fraction form
    535,385.12/738,832.46 = 293,669.64/x
  3. Step 3: Cross multiply
    535,385.12x = 738,832.46 × 293,669.64
  4. Step 4: Simplify right side
    535,385.12x = 216,972,661,080.17
  5. Step 5: Solve for x
    x = 216,972,661,080.17/535,385.12
  6. Step 6: Final answer
    x = 405,264.65

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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.