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Finding the Fourth Proportional to 293,328.12, 404,792.70 and 159,192.12

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Solution

The fourth proportional to 293,328.12, 404,792.70 and 159,192.12 is: 219,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,328.12 : 404,792.70 = 159,192.12 : x
  2. Step 2: Convert to fraction form
    293,328.12/404,792.70 = 159,192.12/x
  3. Step 3: Cross multiply
    293,328.12x = 404,792.70 × 159,192.12
  4. Step 4: Simplify right side
    293,328.12x = 64,439,808,073.52
  5. Step 5: Solve for x
    x = 64,439,808,073.52/293,328.12
  6. Step 6: Final answer
    x = 219,685.07

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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.