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Finding the Fourth Proportional to 526,366.59, 789,542.55 and 127,004.01

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Solution

The fourth proportional to 526,366.59, 789,542.55 and 127,004.01 is: 190,504.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,366.59 : 789,542.55 = 127,004.01 : x
  2. Step 2: Convert to fraction form
    526,366.59/789,542.55 = 127,004.01/x
  3. Step 3: Cross multiply
    526,366.59x = 789,542.55 × 127,004.01
  4. Step 4: Simplify right side
    526,366.59x = 100,275,069,915.63
  5. Step 5: Solve for x
    x = 100,275,069,915.63/526,366.59
  6. Step 6: Final answer
    x = 190,504.25

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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.