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Finding the Fourth Proportional to 662,686.50, 994,029.76 and 164,050.50

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Solution

The fourth proportional to 662,686.50, 994,029.76 and 164,050.50 is: 246,075.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,686.50 : 994,029.76 = 164,050.50 : x
  2. Step 2: Convert to fraction form
    662,686.50/994,029.76 = 164,050.50/x
  3. Step 3: Cross multiply
    662,686.50x = 994,029.76 × 164,050.50
  4. Step 4: Simplify right side
    662,686.50x = 163,071,079,142.88
  5. Step 5: Solve for x
    x = 163,071,079,142.88/662,686.50
  6. Step 6: Final answer
    x = 246,075.75

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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.