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Finding the Fourth Proportional to 234,989.40, 352,528.74 and 77,263.32

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Solution

The fourth proportional to 234,989.40, 352,528.74 and 77,263.32 is: 115,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,989.40 : 352,528.74 = 77,263.32 : x
  2. Step 2: Convert to fraction form
    234,989.40/352,528.74 = 77,263.32/x
  3. Step 3: Cross multiply
    234,989.40x = 352,528.74 × 77,263.32
  4. Step 4: Simplify right side
    234,989.40x = 27,237,540,847.82
  5. Step 5: Solve for x
    x = 27,237,540,847.82/234,989.40
  6. Step 6: Final answer
    x = 115,909.66

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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.