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Finding the Fourth Proportional to 464,087.99, 696,132.58 and 127,131.60

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Solution

The fourth proportional to 464,087.99, 696,132.58 and 127,131.60 is: 190,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,087.99 : 696,132.58 = 127,131.60 : x
  2. Step 2: Convert to fraction form
    464,087.99/696,132.58 = 127,131.60/x
  3. Step 3: Cross multiply
    464,087.99x = 696,132.58 × 127,131.60
  4. Step 4: Simplify right side
    464,087.99x = 88,500,444,591.21
  5. Step 5: Solve for x
    x = 88,500,444,591.21/464,087.99
  6. Step 6: Final answer
    x = 190,697.56

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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.