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Finding the Fourth Proportional to 636,592.81, 954,889.47 and 156,829.94

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Solution

The fourth proportional to 636,592.81, 954,889.47 and 156,829.94 is: 235,244.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,592.81 : 954,889.47 = 156,829.94 : x
  2. Step 2: Convert to fraction form
    636,592.81/954,889.47 = 156,829.94/x
  3. Step 3: Cross multiply
    636,592.81x = 954,889.47 × 156,829.94
  4. Step 4: Simplify right side
    636,592.81x = 149,755,262,464.37
  5. Step 5: Solve for x
    x = 149,755,262,464.37/636,592.81
  6. Step 6: Final answer
    x = 235,244.98

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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.