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Finding the Fourth Proportional to 662,563.40, 993,845.10 and 163,927.40

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Solution

The fourth proportional to 662,563.40, 993,845.10 and 163,927.40 is: 245,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,563.40 : 993,845.10 = 163,927.40 : x
  2. Step 2: Convert to fraction form
    662,563.40/993,845.10 = 163,927.40/x
  3. Step 3: Cross multiply
    662,563.40x = 993,845.10 × 163,927.40
  4. Step 4: Simplify right side
    662,563.40x = 162,918,443,245.74
  5. Step 5: Solve for x
    x = 162,918,443,245.74/662,563.40
  6. Step 6: Final answer
    x = 245,891.10

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Half scale
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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.