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Finding the Fourth Proportional to 356,000.12, 533,917.12 and 103,212.77

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Solution

The fourth proportional to 356,000.12, 533,917.12 and 103,212.77 is: 154,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,000.12 : 533,917.12 = 103,212.77 : x
  2. Step 2: Convert to fraction form
    356,000.12/533,917.12 = 103,212.77/x
  3. Step 3: Cross multiply
    356,000.12x = 533,917.12 × 103,212.77
  4. Step 4: Simplify right side
    356,000.12x = 55,107,062,171.53
  5. Step 5: Solve for x
    x = 55,107,062,171.53/356,000.12
  6. Step 6: Final answer
    x = 154,795.07

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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.