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Finding the Fourth Proportional to 373,541.76, 514,747.80 and 265,809.96

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Solution

The fourth proportional to 373,541.76, 514,747.80 and 265,809.96 is: 366,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,541.76 : 514,747.80 = 265,809.96 : x
  2. Step 2: Convert to fraction form
    373,541.76/514,747.80 = 265,809.96/x
  3. Step 3: Cross multiply
    373,541.76x = 514,747.80 × 265,809.96
  4. Step 4: Simplify right side
    373,541.76x = 136,825,092,128.09
  5. Step 5: Solve for x
    x = 136,825,092,128.09/373,541.76
  6. Step 6: Final answer
    x = 366,291.29

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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.