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Finding the Fourth Proportional to 454,535.60, 681,803.40 and 328,564.40

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Solution

The fourth proportional to 454,535.60, 681,803.40 and 328,564.40 is: 492,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,535.60 : 681,803.40 = 328,564.40 : x
  2. Step 2: Convert to fraction form
    454,535.60/681,803.40 = 328,564.40/x
  3. Step 3: Cross multiply
    454,535.60x = 681,803.40 × 328,564.40
  4. Step 4: Simplify right side
    454,535.60x = 224,016,325,038.96
  5. Step 5: Solve for x
    x = 224,016,325,038.96/454,535.60
  6. Step 6: Final answer
    x = 492,846.60

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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.