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Finding the Fourth Proportional to 400,545.63, 600,403.25 and 250,441.25

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Solution

The fourth proportional to 400,545.63, 600,403.25 and 250,441.25 is: 375,402.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,545.63 : 600,403.25 = 250,441.25 : x
  2. Step 2: Convert to fraction form
    400,545.63/600,403.25 = 250,441.25/x
  3. Step 3: Cross multiply
    400,545.63x = 600,403.25 × 250,441.25
  4. Step 4: Simplify right side
    400,545.63x = 150,365,738,058.15
  5. Step 5: Solve for x
    x = 150,365,738,058.15/400,545.63
  6. Step 6: Final answer
    x = 375,402.27

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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.