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Finding the Fourth Proportional to 526,263.27, 789,388.01 and 126,901.07

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Solution

The fourth proportional to 526,263.27, 789,388.01 and 126,901.07 is: 190,349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,263.27 : 789,388.01 = 126,901.07 : x
  2. Step 2: Convert to fraction form
    526,263.27/789,388.01 = 126,901.07/x
  3. Step 3: Cross multiply
    526,263.27x = 789,388.01 × 126,901.07
  4. Step 4: Simplify right side
    526,263.27x = 100,174,183,114.17
  5. Step 5: Solve for x
    x = 100,174,183,114.17/526,263.27
  6. Step 6: Final answer
    x = 190,349.94

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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.