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Finding the Fourth Proportional to 433,520.10, 650,280.15 and 328,544.10

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Solution

The fourth proportional to 433,520.10, 650,280.15 and 328,544.10 is: 492,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,520.10 : 650,280.15 = 328,544.10 : x
  2. Step 2: Convert to fraction form
    433,520.10/650,280.15 = 328,544.10/x
  3. Step 3: Cross multiply
    433,520.10x = 650,280.15 × 328,544.10
  4. Step 4: Simplify right side
    433,520.10x = 213,645,706,629.62
  5. Step 5: Solve for x
    x = 213,645,706,629.62/433,520.10
  6. Step 6: Final answer
    x = 492,816.15

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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.