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Finding the Fourth Proportional to 400,296.96, 600,443.82 and 160,518.06

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Solution

The fourth proportional to 400,296.96, 600,443.82 and 160,518.06 is: 240,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,296.96 : 600,443.82 = 160,518.06 : x
  2. Step 2: Convert to fraction form
    400,296.96/600,443.82 = 160,518.06/x
  3. Step 3: Cross multiply
    400,296.96x = 600,443.82 × 160,518.06
  4. Step 4: Simplify right side
    400,296.96x = 96,382,077,125.39
  5. Step 5: Solve for x
    x = 96,382,077,125.39/400,296.96
  6. Step 6: Final answer
    x = 240,776.44

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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.