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Finding the Fourth Proportional to 216,823.80, 325,235.70 and 201,077.40

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Solution

The fourth proportional to 216,823.80, 325,235.70 and 201,077.40 is: 301,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,823.80 : 325,235.70 = 201,077.40 : x
  2. Step 2: Convert to fraction form
    216,823.80/325,235.70 = 201,077.40/x
  3. Step 3: Cross multiply
    216,823.80x = 325,235.70 × 201,077.40
  4. Step 4: Simplify right side
    216,823.80x = 65,397,548,943.18
  5. Step 5: Solve for x
    x = 65,397,548,943.18/216,823.80
  6. Step 6: Final answer
    x = 301,616.10

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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.