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Finding the Fourth Proportional to 361,361.49, 542,538.77 and 183,987.69

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Solution

The fourth proportional to 361,361.49, 542,538.77 and 183,987.69 is: 276,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,361.49 : 542,538.77 = 183,987.69 : x
  2. Step 2: Convert to fraction form
    361,361.49/542,538.77 = 183,987.69/x
  3. Step 3: Cross multiply
    361,361.49x = 542,538.77 × 183,987.69
  4. Step 4: Simplify right side
    361,361.49x = 99,820,455,027.74
  5. Step 5: Solve for x
    x = 99,820,455,027.74/361,361.49
  6. Step 6: Final answer
    x = 276,234.35

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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.