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Finding the Fourth Proportional to 445,162.79, 614,355.82 and 251,588.39

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Solution

The fourth proportional to 445,162.79, 614,355.82 and 251,588.39 is: 347,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,162.79 : 614,355.82 = 251,588.39 : x
  2. Step 2: Convert to fraction form
    445,162.79/614,355.82 = 251,588.39/x
  3. Step 3: Cross multiply
    445,162.79x = 614,355.82 × 251,588.39
  4. Step 4: Simplify right side
    445,162.79x = 154,564,793,675.05
  5. Step 5: Solve for x
    x = 154,564,793,675.05/445,162.79
  6. Step 6: Final answer
    x = 347,209.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.