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Finding the Fourth Proportional to 368,558.38, 508,526.42 and 207,354.61

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Solution

The fourth proportional to 368,558.38, 508,526.42 and 207,354.61 is: 286,102.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,558.38 : 508,526.42 = 207,354.61 : x
  2. Step 2: Convert to fraction form
    368,558.38/508,526.42 = 207,354.61/x
  3. Step 3: Cross multiply
    368,558.38x = 508,526.42 × 207,354.61
  4. Step 4: Simplify right side
    368,558.38x = 105,445,297,493.80
  5. Step 5: Solve for x
    x = 105,445,297,493.80/368,558.38
  6. Step 6: Final answer
    x = 286,102.02

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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.