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Finding the Fourth Proportional to 404,781.14, 607,060.80 and 152,042.10

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Solution

The fourth proportional to 404,781.14, 607,060.80 and 152,042.10 is: 228,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,781.14 : 607,060.80 = 152,042.10 : x
  2. Step 2: Convert to fraction form
    404,781.14/607,060.80 = 152,042.10/x
  3. Step 3: Cross multiply
    404,781.14x = 607,060.80 × 152,042.10
  4. Step 4: Simplify right side
    404,781.14x = 92,298,798,859.68
  5. Step 5: Solve for x
    x = 92,298,798,859.68/404,781.14
  6. Step 6: Final answer
    x = 228,021.49

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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.