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Finding the Fourth Proportional to 556,972.87, 834,837.22 and 512,134.51

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Solution

The fourth proportional to 556,972.87, 834,837.22 and 512,134.51 is: 767,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,972.87 : 834,837.22 = 512,134.51 : x
  2. Step 2: Convert to fraction form
    556,972.87/834,837.22 = 512,134.51/x
  3. Step 3: Cross multiply
    556,972.87x = 834,837.22 × 512,134.51
  4. Step 4: Simplify right side
    556,972.87x = 427,548,950,594.46
  5. Step 5: Solve for x
    x = 427,548,950,594.46/556,972.87
  6. Step 6: Final answer
    x = 767,629.76

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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.