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Finding the Fourth Proportional to 911,601.94, 1,366,526.48 and 612,166

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Solution

The fourth proportional to 911,601.94, 1,366,526.48 and 612,166 is: 917,660.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,601.94 : 1,366,526.48 = 612,166 : x
  2. Step 2: Convert to fraction form
    911,601.94/1,366,526.48 = 612,166/x
  3. Step 3: Cross multiply
    911,601.94x = 1,366,526.48 × 612,166
  4. Step 4: Simplify right side
    911,601.94x = 836,541,049,155.68
  5. Step 5: Solve for x
    x = 836,541,049,155.68/911,601.94
  6. Step 6: Final answer
    x = 917,660.45

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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.