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Finding the Fourth Proportional to 368,387.01, 508,369.01 and 207,242.01

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Solution

The fourth proportional to 368,387.01, 508,369.01 and 207,242.01 is: 285,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,387.01 : 508,369.01 = 207,242.01 : x
  2. Step 2: Convert to fraction form
    368,387.01/508,369.01 = 207,242.01/x
  3. Step 3: Cross multiply
    368,387.01x = 508,369.01 × 207,242.01
  4. Step 4: Simplify right side
    368,387.01x = 105,355,414,417.90
  5. Step 5: Solve for x
    x = 105,355,414,417.90/368,387.01
  6. Step 6: Final answer
    x = 285,991.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.