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Finding the Fourth Proportional to 663,529.32, 995,293.98 and 164,893.32

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Solution

The fourth proportional to 663,529.32, 995,293.98 and 164,893.32 is: 247,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,529.32 : 995,293.98 = 164,893.32 : x
  2. Step 2: Convert to fraction form
    663,529.32/995,293.98 = 164,893.32/x
  3. Step 3: Cross multiply
    663,529.32x = 995,293.98 × 164,893.32
  4. Step 4: Simplify right side
    663,529.32x = 164,117,328,738.21
  5. Step 5: Solve for x
    x = 164,117,328,738.21/663,529.32
  6. Step 6: Final answer
    x = 247,339.98

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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.