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Finding the Fourth Proportional to 484,543.44, 668,663.25 and 269,683.58

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Solution

The fourth proportional to 484,543.44, 668,663.25 and 269,683.58 is: 372,159.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,543.44 : 668,663.25 = 269,683.58 : x
  2. Step 2: Convert to fraction form
    484,543.44/668,663.25 = 269,683.58/x
  3. Step 3: Cross multiply
    484,543.44x = 668,663.25 × 269,683.58
  4. Step 4: Simplify right side
    484,543.44x = 180,327,495,731.12
  5. Step 5: Solve for x
    x = 180,327,495,731.12/484,543.44
  6. Step 6: Final answer
    x = 372,159.61

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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.