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Finding the Fourth Proportional to 504,972.72, 757,237.32 and 189,208.17

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Solution

The fourth proportional to 504,972.72, 757,237.32 and 189,208.17 is: 283,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,972.72 : 757,237.32 = 189,208.17 : x
  2. Step 2: Convert to fraction form
    504,972.72/757,237.32 = 189,208.17/x
  3. Step 3: Cross multiply
    504,972.72x = 757,237.32 × 189,208.17
  4. Step 4: Simplify right side
    504,972.72x = 143,275,487,572.90
  5. Step 5: Solve for x
    x = 143,275,487,572.90/504,972.72
  6. Step 6: Final answer
    x = 283,729.16

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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.