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Finding the Fourth Proportional to 589,502.40, 883,613.80 and 387,013.54

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Solution

The fourth proportional to 589,502.40, 883,613.80 and 387,013.54 is: 580,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,502.40 : 883,613.80 = 387,013.54 : x
  2. Step 2: Convert to fraction form
    589,502.40/883,613.80 = 387,013.54/x
  3. Step 3: Cross multiply
    589,502.40x = 883,613.80 × 387,013.54
  4. Step 4: Simplify right side
    589,502.40x = 341,970,504,730.85
  5. Step 5: Solve for x
    x = 341,970,504,730.85/589,502.40
  6. Step 6: Final answer
    x = 580,100.28

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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.