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Finding the Fourth Proportional to 462,920.18, 694,457.22 and 159,302.21

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Solution

The fourth proportional to 462,920.18, 694,457.22 and 159,302.21 is: 238,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,920.18 : 694,457.22 = 159,302.21 : x
  2. Step 2: Convert to fraction form
    462,920.18/694,457.22 = 159,302.21/x
  3. Step 3: Cross multiply
    462,920.18x = 694,457.22 × 159,302.21
  4. Step 4: Simplify right side
    462,920.18x = 110,628,569,896.46
  5. Step 5: Solve for x
    x = 110,628,569,896.46/462,920.18
  6. Step 6: Final answer
    x = 238,979.80

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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.