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Finding the Fourth Proportional to 247,448.91, 341,487.06 and 145,455.66

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Solution

The fourth proportional to 247,448.91, 341,487.06 and 145,455.66 is: 200,733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,448.91 : 341,487.06 = 145,455.66 : x
  2. Step 2: Convert to fraction form
    247,448.91/341,487.06 = 145,455.66/x
  3. Step 3: Cross multiply
    247,448.91x = 341,487.06 × 145,455.66
  4. Step 4: Simplify right side
    247,448.91x = 49,671,226,855.80
  5. Step 5: Solve for x
    x = 49,671,226,855.80/247,448.91
  6. Step 6: Final answer
    x = 200,733.26

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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.