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Finding the Fourth Proportional to 356,800.60, 534,455.70 and 167,422.60

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Solution

The fourth proportional to 356,800.60, 534,455.70 and 167,422.60 is: 250,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,800.60 : 534,455.70 = 167,422.60 : x
  2. Step 2: Convert to fraction form
    356,800.60/534,455.70 = 167,422.60/x
  3. Step 3: Cross multiply
    356,800.60x = 534,455.70 × 167,422.60
  4. Step 4: Simplify right side
    356,800.60x = 89,479,962,878.82
  5. Step 5: Solve for x
    x = 89,479,962,878.82/356,800.60
  6. Step 6: Final answer
    x = 250,784.23

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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.