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Finding the Fourth Proportional to 404,545.20, 607,163.40 and 180,250.80

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Solution

The fourth proportional to 404,545.20, 607,163.40 and 180,250.80 is: 270,530.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,545.20 : 607,163.40 = 180,250.80 : x
  2. Step 2: Convert to fraction form
    404,545.20/607,163.40 = 180,250.80/x
  3. Step 3: Cross multiply
    404,545.20x = 607,163.40 × 180,250.80
  4. Step 4: Simplify right side
    404,545.20x = 109,441,688,580.72
  5. Step 5: Solve for x
    x = 109,441,688,580.72/404,545.20
  6. Step 6: Final answer
    x = 270,530.19

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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.