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Finding the Fourth Proportional to 354,077.66, 488,480.84 and 246,709.93

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Solution

The fourth proportional to 354,077.66, 488,480.84 and 246,709.93 is: 340,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,077.66 : 488,480.84 = 246,709.93 : x
  2. Step 2: Convert to fraction form
    354,077.66/488,480.84 = 246,709.93/x
  3. Step 3: Cross multiply
    354,077.66x = 488,480.84 × 246,709.93
  4. Step 4: Simplify right side
    354,077.66x = 120,513,073,842.74
  5. Step 5: Solve for x
    x = 120,513,073,842.74/354,077.66
  6. Step 6: Final answer
    x = 340,357.75

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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.