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Finding the Fourth Proportional to 245,953.56, 368,930.46 and 189,875.58

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Solution

The fourth proportional to 245,953.56, 368,930.46 and 189,875.58 is: 284,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,953.56 : 368,930.46 = 189,875.58 : x
  2. Step 2: Convert to fraction form
    245,953.56/368,930.46 = 189,875.58/x
  3. Step 3: Cross multiply
    245,953.56x = 368,930.46 × 189,875.58
  4. Step 4: Simplify right side
    245,953.56x = 70,050,885,072.17
  5. Step 5: Solve for x
    x = 70,050,885,072.17/245,953.56
  6. Step 6: Final answer
    x = 284,813.46

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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.