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Finding the Fourth Proportional to 662,928.40, 994,392.60 and 164,292.40

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Solution

The fourth proportional to 662,928.40, 994,392.60 and 164,292.40 is: 246,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,928.40 : 994,392.60 = 164,292.40 : x
  2. Step 2: Convert to fraction form
    662,928.40/994,392.60 = 164,292.40/x
  3. Step 3: Cross multiply
    662,928.40x = 994,392.60 × 164,292.40
  4. Step 4: Simplify right side
    662,928.40x = 163,371,146,796.24
  5. Step 5: Solve for x
    x = 163,371,146,796.24/662,928.40
  6. Step 6: Final answer
    x = 246,438.60

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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.