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Finding the Fourth Proportional to 239,226.40, 358,436.40 and 189,114.40

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Solution

The fourth proportional to 239,226.40, 358,436.40 and 189,114.40 is: 283,352.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,226.40 : 358,436.40 = 189,114.40 : x
  2. Step 2: Convert to fraction form
    239,226.40/358,436.40 = 189,114.40/x
  3. Step 3: Cross multiply
    239,226.40x = 358,436.40 × 189,114.40
  4. Step 4: Simplify right side
    239,226.40x = 67,785,484,724.16
  5. Step 5: Solve for x
    x = 67,785,484,724.16/239,226.40
  6. Step 6: Final answer
    x = 283,352.86

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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.