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Finding the Fourth Proportional to 409,850.40, 614,775.60 and 250,418.10

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Solution

The fourth proportional to 409,850.40, 614,775.60 and 250,418.10 is: 375,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,850.40 : 614,775.60 = 250,418.10 : x
  2. Step 2: Convert to fraction form
    409,850.40/614,775.60 = 250,418.10/x
  3. Step 3: Cross multiply
    409,850.40x = 614,775.60 × 250,418.10
  4. Step 4: Simplify right side
    409,850.40x = 153,950,937,678.36
  5. Step 5: Solve for x
    x = 153,950,937,678.36/409,850.40
  6. Step 6: Final answer
    x = 375,627.15

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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.