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Finding the Fourth Proportional to 461,453.37, 636,549.78 and 270,429.86

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Solution

The fourth proportional to 461,453.37, 636,549.78 and 270,429.86 is: 373,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,453.37 : 636,549.78 = 270,429.86 : x
  2. Step 2: Convert to fraction form
    461,453.37/636,549.78 = 270,429.86/x
  3. Step 3: Cross multiply
    461,453.37x = 636,549.78 × 270,429.86
  4. Step 4: Simplify right side
    461,453.37x = 172,142,064,705.68
  5. Step 5: Solve for x
    x = 172,142,064,705.68/461,453.37
  6. Step 6: Final answer
    x = 373,043.25

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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.