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Finding the Fourth Proportional to 548,677.32, 757,433.56 and 412,763.03

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Solution

The fourth proportional to 548,677.32, 757,433.56 and 412,763.03 is: 569,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,677.32 : 757,433.56 = 412,763.03 : x
  2. Step 2: Convert to fraction form
    548,677.32/757,433.56 = 412,763.03/x
  3. Step 3: Cross multiply
    548,677.32x = 757,433.56 × 412,763.03
  4. Step 4: Simplify right side
    548,677.32x = 312,640,571,249.29
  5. Step 5: Solve for x
    x = 312,640,571,249.29/548,677.32
  6. Step 6: Final answer
    x = 569,807.72

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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.