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Finding the Fourth Proportional to 464,087.38, 696,131.62 and 127,130.94

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Solution

The fourth proportional to 464,087.38, 696,131.62 and 127,130.94 is: 190,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,087.38 : 696,131.62 = 127,130.94 : x
  2. Step 2: Convert to fraction form
    464,087.38/696,131.62 = 127,130.94/x
  3. Step 3: Cross multiply
    464,087.38x = 696,131.62 × 127,130.94
  4. Step 4: Simplify right side
    464,087.38x = 88,499,867,214.32
  5. Step 5: Solve for x
    x = 88,499,867,214.32/464,087.38
  6. Step 6: Final answer
    x = 190,696.56

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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.