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Finding the Fourth Proportional to 268,318.92, 370,115.46 and 159,349.20

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Solution

The fourth proportional to 268,318.92, 370,115.46 and 159,349.20 is: 219,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,318.92 : 370,115.46 = 159,349.20 : x
  2. Step 2: Convert to fraction form
    268,318.92/370,115.46 = 159,349.20/x
  3. Step 3: Cross multiply
    268,318.92x = 370,115.46 × 159,349.20
  4. Step 4: Simplify right side
    268,318.92x = 58,977,602,458.63
  5. Step 5: Solve for x
    x = 58,977,602,458.63/268,318.92
  6. Step 6: Final answer
    x = 219,804.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.