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Finding the Fourth Proportional to 368,446.62, 508,455.40 and 207,301.86

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Solution

The fourth proportional to 368,446.62, 508,455.40 and 207,301.86 is: 286,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,446.62 : 508,455.40 = 207,301.86 : x
  2. Step 2: Convert to fraction form
    368,446.62/508,455.40 = 207,301.86/x
  3. Step 3: Cross multiply
    368,446.62x = 508,455.40 × 207,301.86
  4. Step 4: Simplify right side
    368,446.62x = 105,403,749,170.49
  5. Step 5: Solve for x
    x = 105,403,749,170.49/368,446.62
  6. Step 6: Final answer
    x = 286,076.03

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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.