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Finding the Fourth Proportional to 621,659.57, 932,486.25 and 537,162.60

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Solution

The fourth proportional to 621,659.57, 932,486.25 and 537,162.60 is: 805,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,659.57 : 932,486.25 = 537,162.60 : x
  2. Step 2: Convert to fraction form
    621,659.57/932,486.25 = 537,162.60/x
  3. Step 3: Cross multiply
    621,659.57x = 932,486.25 × 537,162.60
  4. Step 4: Simplify right side
    621,659.57x = 500,896,738,514.25
  5. Step 5: Solve for x
    x = 500,896,738,514.25/621,659.57
  6. Step 6: Final answer
    x = 805,741.22

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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.