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Finding the Fourth Proportional to 621,670.34, 932,502.44 and 537,173.36

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Solution

The fourth proportional to 621,670.34, 932,502.44 and 537,173.36 is: 805,757.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,670.34 : 932,502.44 = 537,173.36 : x
  2. Step 2: Convert to fraction form
    621,670.34/932,502.44 = 537,173.36/x
  3. Step 3: Cross multiply
    621,670.34x = 932,502.44 × 537,173.36
  4. Step 4: Simplify right side
    621,670.34x = 500,915,465,583.42
  5. Step 5: Solve for x
    x = 500,915,465,583.42/621,670.34
  6. Step 6: Final answer
    x = 805,757.39

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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.