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Finding the Fourth Proportional to 544,659.74, 815,411.93 and 410,289.72

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Solution

The fourth proportional to 544,659.74, 815,411.93 and 410,289.72 is: 614,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,659.74 : 815,411.93 = 410,289.72 : x
  2. Step 2: Convert to fraction form
    544,659.74/815,411.93 = 410,289.72/x
  3. Step 3: Cross multiply
    544,659.74x = 815,411.93 × 410,289.72
  4. Step 4: Simplify right side
    544,659.74x = 334,555,129,058.76
  5. Step 5: Solve for x
    x = 334,555,129,058.76/544,659.74
  6. Step 6: Final answer
    x = 614,246.11

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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.