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Finding the Fourth Proportional to 544,134.55, 816,203.72 and 165,058.55

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Solution

The fourth proportional to 544,134.55, 816,203.72 and 165,058.55 is: 247,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,134.55 : 816,203.72 = 165,058.55 : x
  2. Step 2: Convert to fraction form
    544,134.55/816,203.72 = 165,058.55/x
  3. Step 3: Cross multiply
    544,134.55x = 816,203.72 × 165,058.55
  4. Step 4: Simplify right side
    544,134.55x = 134,721,402,527.81
  5. Step 5: Solve for x
    x = 134,721,402,527.81/544,134.55
  6. Step 6: Final answer
    x = 247,588.40

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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.