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Finding the Fourth Proportional to 636,092.34, 954,056.43 and 530,138.22

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Solution

The fourth proportional to 636,092.34, 954,056.43 and 530,138.22 is: 795,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,092.34 : 954,056.43 = 530,138.22 : x
  2. Step 2: Convert to fraction form
    636,092.34/954,056.43 = 530,138.22/x
  3. Step 3: Cross multiply
    636,092.34x = 954,056.43 × 530,138.22
  4. Step 4: Simplify right side
    636,092.34x = 505,781,777,579.76
  5. Step 5: Solve for x
    x = 505,781,777,579.76/636,092.34
  6. Step 6: Final answer
    x = 795,138.92

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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.