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Finding the Fourth Proportional to 606,013.14, 908,015.04 and 368,637.78

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Solution

The fourth proportional to 606,013.14, 908,015.04 and 368,637.78 is: 552,345.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,013.14 : 908,015.04 = 368,637.78 : x
  2. Step 2: Convert to fraction form
    606,013.14/908,015.04 = 368,637.78/x
  3. Step 3: Cross multiply
    606,013.14x = 908,015.04 × 368,637.78
  4. Step 4: Simplify right side
    606,013.14x = 334,728,648,552.21
  5. Step 5: Solve for x
    x = 334,728,648,552.21/606,013.14
  6. Step 6: Final answer
    x = 552,345.53

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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.