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Finding the Fourth Proportional to 404,741.32, 607,103.60 and 134,889.02

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Solution

The fourth proportional to 404,741.32, 607,103.60 and 134,889.02 is: 202,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,741.32 : 607,103.60 = 134,889.02 : x
  2. Step 2: Convert to fraction form
    404,741.32/607,103.60 = 134,889.02/x
  3. Step 3: Cross multiply
    404,741.32x = 607,103.60 × 134,889.02
  4. Step 4: Simplify right side
    404,741.32x = 81,891,609,642.47
  5. Step 5: Solve for x
    x = 81,891,609,642.47/404,741.32
  6. Step 6: Final answer
    x = 202,330.74

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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.