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Finding the Fourth Proportional to 368,415.17, 552,622.77 and 131,743.49

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Solution

The fourth proportional to 368,415.17, 552,622.77 and 131,743.49 is: 197,615.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,415.17 : 552,622.77 = 131,743.49 : x
  2. Step 2: Convert to fraction form
    368,415.17/552,622.77 = 131,743.49/x
  3. Step 3: Cross multiply
    368,415.17x = 552,622.77 × 131,743.49
  4. Step 4: Simplify right side
    368,415.17x = 72,804,452,373.27
  5. Step 5: Solve for x
    x = 72,804,452,373.27/368,415.17
  6. Step 6: Final answer
    x = 197,615.24

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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.