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Finding the Fourth Proportional to 289,093.77, 433,639.28 and 192,827.50

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Solution

The fourth proportional to 289,093.77, 433,639.28 and 192,827.50 is: 289,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,093.77 : 433,639.28 = 192,827.50 : x
  2. Step 2: Convert to fraction form
    289,093.77/433,639.28 = 192,827.50/x
  3. Step 3: Cross multiply
    289,093.77x = 433,639.28 × 192,827.50
  4. Step 4: Simplify right side
    289,093.77x = 83,617,577,662.17
  5. Step 5: Solve for x
    x = 83,617,577,662.17/289,093.77
  6. Step 6: Final answer
    x = 289,240.33

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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.