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Finding the Fourth Proportional to 451,034.19, 676,629.45 and 151,543.98

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Solution

The fourth proportional to 451,034.19, 676,629.45 and 151,543.98 is: 227,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,034.19 : 676,629.45 = 151,543.98 : x
  2. Step 2: Convert to fraction form
    451,034.19/676,629.45 = 151,543.98/x
  3. Step 3: Cross multiply
    451,034.19x = 676,629.45 × 151,543.98
  4. Step 4: Simplify right side
    451,034.19x = 102,539,119,838.21
  5. Step 5: Solve for x
    x = 102,539,119,838.21/451,034.19
  6. Step 6: Final answer
    x = 227,342.23

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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.