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Finding the Fourth Proportional to 363,070.86, 501,044.23 and 201,925.98

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Solution

The fourth proportional to 363,070.86, 501,044.23 and 201,925.98 is: 278,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,070.86 : 501,044.23 = 201,925.98 : x
  2. Step 2: Convert to fraction form
    363,070.86/501,044.23 = 201,925.98/x
  3. Step 3: Cross multiply
    363,070.86x = 501,044.23 × 201,925.98
  4. Step 4: Simplify right side
    363,070.86x = 101,173,847,913.89
  5. Step 5: Solve for x
    x = 101,173,847,913.89/363,070.86
  6. Step 6: Final answer
    x = 278,661.44

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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.