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Finding the Fourth Proportional to 255,277.49, 382,916.23 and 68,284.13

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Solution

The fourth proportional to 255,277.49, 382,916.23 and 68,284.13 is: 102,426.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,277.49 : 382,916.23 = 68,284.13 : x
  2. Step 2: Convert to fraction form
    255,277.49/382,916.23 = 68,284.13/x
  3. Step 3: Cross multiply
    255,277.49x = 382,916.23 × 68,284.13
  4. Step 4: Simplify right side
    255,277.49x = 26,147,099,543.14
  5. Step 5: Solve for x
    x = 26,147,099,543.14/255,277.49
  6. Step 6: Final answer
    x = 102,426.19

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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.