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Finding the Fourth Proportional to 356,677,878.60, 535,016,817.90 and 162,967,634.10

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Solution

The fourth proportional to 356,677,878.60, 535,016,817.90 and 162,967,634.10 is: 244,451,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,677,878.60 : 535,016,817.90 = 162,967,634.10 : x
  2. Step 2: Convert to fraction form
    356,677,878.60/535,016,817.90 = 162,967,634.10/x
  3. Step 3: Cross multiply
    356,677,878.60x = 535,016,817.90 × 162,967,634.10
  4. Step 4: Simplify right side
    356,677,878.60x = 87,190,425,016,873,520
  5. Step 5: Solve for x
    x = 87,190,425,016,873,520/356,677,878.60
  6. Step 6: Final answer
    x = 244,451,451.15

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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.