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Finding the Fourth Proportional to 245,968.92, 368,953.48 and 189,890.92

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Solution

The fourth proportional to 245,968.92, 368,953.48 and 189,890.92 is: 284,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,968.92 : 368,953.48 = 189,890.92 : x
  2. Step 2: Convert to fraction form
    245,968.92/368,953.48 = 189,890.92/x
  3. Step 3: Cross multiply
    245,968.92x = 368,953.48 × 189,890.92
  4. Step 4: Simplify right side
    245,968.92x = 70,060,915,754.40
  5. Step 5: Solve for x
    x = 70,060,915,754.40/245,968.92
  6. Step 6: Final answer
    x = 284,836.46

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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.