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Finding the Fourth Proportional to 404,387.58, 606,659.10 and 155,050.14

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Solution

The fourth proportional to 404,387.58, 606,659.10 and 155,050.14 is: 232,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,387.58 : 606,659.10 = 155,050.14 : x
  2. Step 2: Convert to fraction form
    404,387.58/606,659.10 = 155,050.14/x
  3. Step 3: Cross multiply
    404,387.58x = 606,659.10 × 155,050.14
  4. Step 4: Simplify right side
    404,387.58x = 94,062,578,387.27
  5. Step 5: Solve for x
    x = 94,062,578,387.27/404,387.58
  6. Step 6: Final answer
    x = 232,605.01

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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.