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Finding the Fourth Proportional to 504,813.36, 756,820.32 and 251,963.76

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Solution

The fourth proportional to 504,813.36, 756,820.32 and 251,963.76 is: 377,746.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,813.36 : 756,820.32 = 251,963.76 : x
  2. Step 2: Convert to fraction form
    504,813.36/756,820.32 = 251,963.76/x
  3. Step 3: Cross multiply
    504,813.36x = 756,820.32 × 251,963.76
  4. Step 4: Simplify right side
    504,813.36x = 190,691,293,471.60
  5. Step 5: Solve for x
    x = 190,691,293,471.60/504,813.36
  6. Step 6: Final answer
    x = 377,746.13

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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.