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Finding the Fourth Proportional to 633,616.26, 950,345.10 and 207,116.40

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Solution

The fourth proportional to 633,616.26, 950,345.10 and 207,116.40 is: 310,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,616.26 : 950,345.10 = 207,116.40 : x
  2. Step 2: Convert to fraction form
    633,616.26/950,345.10 = 207,116.40/x
  3. Step 3: Cross multiply
    633,616.26x = 950,345.10 × 207,116.40
  4. Step 4: Simplify right side
    633,616.26x = 196,832,055,869.64
  5. Step 5: Solve for x
    x = 196,832,055,869.64/633,616.26
  6. Step 6: Final answer
    x = 310,648.68

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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.