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Finding the Fourth Proportional to 556,754.42, 835,185.36 and 157,408.22

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Solution

The fourth proportional to 556,754.42, 835,185.36 and 157,408.22 is: 236,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,754.42 : 835,185.36 = 157,408.22 : x
  2. Step 2: Convert to fraction form
    556,754.42/835,185.36 = 157,408.22/x
  3. Step 3: Cross multiply
    556,754.42x = 835,185.36 × 157,408.22
  4. Step 4: Simplify right side
    556,754.42x = 131,465,040,887.66
  5. Step 5: Solve for x
    x = 131,465,040,887.66/556,754.42
  6. Step 6: Final answer
    x = 236,127.52

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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.