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Finding the Fourth Proportional to 409,200.36, 613,892.13 and 124,916.19

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Solution

The fourth proportional to 409,200.36, 613,892.13 and 124,916.19 is: 187,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,200.36 : 613,892.13 = 124,916.19 : x
  2. Step 2: Convert to fraction form
    409,200.36/613,892.13 = 124,916.19/x
  3. Step 3: Cross multiply
    409,200.36x = 613,892.13 × 124,916.19
  4. Step 4: Simplify right side
    409,200.36x = 76,685,065,950.58
  5. Step 5: Solve for x
    x = 76,685,065,950.58/409,200.36
  6. Step 6: Final answer
    x = 187,402.24

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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.