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Finding the Fourth Proportional to 664,004.40, 996,006.60 and 165,368.40

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Solution

The fourth proportional to 664,004.40, 996,006.60 and 165,368.40 is: 248,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,004.40 : 996,006.60 = 165,368.40 : x
  2. Step 2: Convert to fraction form
    664,004.40/996,006.60 = 165,368.40/x
  3. Step 3: Cross multiply
    664,004.40x = 996,006.60 × 165,368.40
  4. Step 4: Simplify right side
    664,004.40x = 164,708,017,831.44
  5. Step 5: Solve for x
    x = 164,708,017,831.44/664,004.40
  6. Step 6: Final answer
    x = 248,052.60

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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.