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Finding the Fourth Proportional to 621,572.74, 932,266.83 and 172,246.75

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Solution

The fourth proportional to 621,572.74, 932,266.83 and 172,246.75 is: 258,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,572.74 : 932,266.83 = 172,246.75 : x
  2. Step 2: Convert to fraction form
    621,572.74/932,266.83 = 172,246.75/x
  3. Step 3: Cross multiply
    621,572.74x = 932,266.83 × 172,246.75
  4. Step 4: Simplify right side
    621,572.74x = 160,579,935,159.56
  5. Step 5: Solve for x
    x = 160,579,935,159.56/621,572.74
  6. Step 6: Final answer
    x = 258,344.56

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1.5x scale

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.