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Finding the Fourth Proportional to 354,321.42, 488,841.53 and 246,852.24

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Solution

The fourth proportional to 354,321.42, 488,841.53 and 246,852.24 is: 340,571.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,321.42 : 488,841.53 = 246,852.24 : x
  2. Step 2: Convert to fraction form
    354,321.42/488,841.53 = 246,852.24/x
  3. Step 3: Cross multiply
    354,321.42x = 488,841.53 × 246,852.24
  4. Step 4: Simplify right side
    354,321.42x = 120,671,625,451.27
  5. Step 5: Solve for x
    x = 120,671,625,451.27/354,321.42
  6. Step 6: Final answer
    x = 340,571.07

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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.