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Finding the Fourth Proportional to 561,725.69, 775,587.35 and 347,159.93

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Solution

The fourth proportional to 561,725.69, 775,587.35 and 347,159.93 is: 479,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,725.69 : 775,587.35 = 347,159.93 : x
  2. Step 2: Convert to fraction form
    561,725.69/775,587.35 = 347,159.93/x
  3. Step 3: Cross multiply
    561,725.69x = 775,587.35 × 347,159.93
  4. Step 4: Simplify right side
    561,725.69x = 269,252,847,124.85
  5. Step 5: Solve for x
    x = 269,252,847,124.85/561,725.69
  6. Step 6: Final answer
    x = 479,331.56

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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.