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Finding the Fourth Proportional to 382,906.26, 528,574.17 and 272,596.11

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Solution

The fourth proportional to 382,906.26, 528,574.17 and 272,596.11 is: 376,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,906.26 : 528,574.17 = 272,596.11 : x
  2. Step 2: Convert to fraction form
    382,906.26/528,574.17 = 272,596.11/x
  3. Step 3: Cross multiply
    382,906.26x = 528,574.17 × 272,596.11
  4. Step 4: Simplify right side
    382,906.26x = 144,087,262,588.48
  5. Step 5: Solve for x
    x = 144,087,262,588.48/382,906.26
  6. Step 6: Final answer
    x = 376,299.05

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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.