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Finding the Fourth Proportional to 662,705.50, 994,058.27 and 164,069.50

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Solution

The fourth proportional to 662,705.50, 994,058.27 and 164,069.50 is: 246,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,705.50 : 994,058.27 = 164,069.50 : x
  2. Step 2: Convert to fraction form
    662,705.50/994,058.27 = 164,069.50/x
  3. Step 3: Cross multiply
    662,705.50x = 994,058.27 × 164,069.50
  4. Step 4: Simplify right side
    662,705.50x = 163,094,643,329.77
  5. Step 5: Solve for x
    x = 163,094,643,329.77/662,705.50
  6. Step 6: Final answer
    x = 246,104.25

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Double scale
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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.