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Finding the Fourth Proportional to 269,510.80, 403,483.44 and 156,847.36

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Solution

The fourth proportional to 269,510.80, 403,483.44 and 156,847.36 is: 234,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,510.80 : 403,483.44 = 156,847.36 : x
  2. Step 2: Convert to fraction form
    269,510.80/403,483.44 = 156,847.36/x
  3. Step 3: Cross multiply
    269,510.80x = 403,483.44 × 156,847.36
  4. Step 4: Simplify right side
    269,510.80x = 63,285,312,367.72
  5. Step 5: Solve for x
    x = 63,285,312,367.72/269,510.80
  6. Step 6: Final answer
    x = 234,815.50

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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.