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Finding the Fourth Proportional to 404,765.35, 607,106.40 and 134,864.33

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Solution

The fourth proportional to 404,765.35, 607,106.40 and 134,864.33 is: 202,282.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,765.35 : 607,106.40 = 134,864.33 : x
  2. Step 2: Convert to fraction form
    404,765.35/607,106.40 = 134,864.33/x
  3. Step 3: Cross multiply
    404,765.35x = 607,106.40 × 134,864.33
  4. Step 4: Simplify right side
    404,765.35x = 81,876,997,874.71
  5. Step 5: Solve for x
    x = 81,876,997,874.71/404,765.35
  6. Step 6: Final answer
    x = 202,282.63

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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.