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Finding the Fourth Proportional to 366,914.45, 550,371.68 and 314,426.45

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Solution

The fourth proportional to 366,914.45, 550,371.68 and 314,426.45 is: 471,639.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,914.45 : 550,371.68 = 314,426.45 : x
  2. Step 2: Convert to fraction form
    366,914.45/550,371.68 = 314,426.45/x
  3. Step 3: Cross multiply
    366,914.45x = 550,371.68 × 314,426.45
  4. Step 4: Simplify right side
    366,914.45x = 173,051,413,522.94
  5. Step 5: Solve for x
    x = 173,051,413,522.94/366,914.45
  6. Step 6: Final answer
    x = 471,639.68

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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.