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Finding the Fourth Proportional to 216,570.66, 323,269.74 and 191,004.63

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Solution

The fourth proportional to 216,570.66, 323,269.74 and 191,004.63 is: 285,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,570.66 : 323,269.74 = 191,004.63 : x
  2. Step 2: Convert to fraction form
    216,570.66/323,269.74 = 191,004.63/x
  3. Step 3: Cross multiply
    216,570.66x = 323,269.74 × 191,004.63
  4. Step 4: Simplify right side
    216,570.66x = 61,746,019,007.43
  5. Step 5: Solve for x
    x = 61,746,019,007.43/216,570.66
  6. Step 6: Final answer
    x = 285,107.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.