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Finding the Fourth Proportional to 242,363.39, 334,410.84 and 140,382.77

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Solution

The fourth proportional to 242,363.39, 334,410.84 and 140,382.77 is: 193,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,363.39 : 334,410.84 = 140,382.77 : x
  2. Step 2: Convert to fraction form
    242,363.39/334,410.84 = 140,382.77/x
  3. Step 3: Cross multiply
    242,363.39x = 334,410.84 × 140,382.77
  4. Step 4: Simplify right side
    242,363.39x = 46,945,518,365.17
  5. Step 5: Solve for x
    x = 46,945,518,365.17/242,363.39
  6. Step 6: Final answer
    x = 193,698.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.