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Finding the Fourth Proportional to 245,967.19, 368,950.85 and 189,889.16

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Solution

The fourth proportional to 245,967.19, 368,950.85 and 189,889.16 is: 284,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,967.19 : 368,950.85 = 189,889.16 : x
  2. Step 2: Convert to fraction form
    245,967.19/368,950.85 = 189,889.16/x
  3. Step 3: Cross multiply
    245,967.19x = 368,950.85 × 189,889.16
  4. Step 4: Simplify right side
    245,967.19x = 70,059,764,193.59
  5. Step 5: Solve for x
    x = 70,059,764,193.59/245,967.19
  6. Step 6: Final answer
    x = 284,833.78

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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.