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Finding the Fourth Proportional to 700,061.86, 1,050,092.82 and 201,425.86

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Solution

The fourth proportional to 700,061.86, 1,050,092.82 and 201,425.86 is: 302,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,061.86 : 1,050,092.82 = 201,425.86 : x
  2. Step 2: Convert to fraction form
    700,061.86/1,050,092.82 = 201,425.86/x
  3. Step 3: Cross multiply
    700,061.86x = 1,050,092.82 × 201,425.86
  4. Step 4: Simplify right side
    700,061.86x = 211,515,849,348.33
  5. Step 5: Solve for x
    x = 211,515,849,348.33/700,061.86
  6. Step 6: Final answer
    x = 302,138.80

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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.