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Finding the Fourth Proportional to 662,678.50, 994,017.76 and 164,042.50

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Solution

The fourth proportional to 662,678.50, 994,017.76 and 164,042.50 is: 246,063.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,678.50 : 994,017.76 = 164,042.50 : x
  2. Step 2: Convert to fraction form
    662,678.50/994,017.76 = 164,042.50/x
  3. Step 3: Cross multiply
    662,678.50x = 994,017.76 × 164,042.50
  4. Step 4: Simplify right side
    662,678.50x = 163,061,158,394.80
  5. Step 5: Solve for x
    x = 163,061,158,394.80/662,678.50
  6. Step 6: Final answer
    x = 246,063.75

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Similar ratio
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1.5x scale

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.