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Finding the Fourth Proportional to 265,928.37, 398,966.39 and 147,682.76

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Solution

The fourth proportional to 265,928.37, 398,966.39 and 147,682.76 is: 221,565.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,928.37 : 398,966.39 = 147,682.76 : x
  2. Step 2: Convert to fraction form
    265,928.37/398,966.39 = 147,682.76/x
  3. Step 3: Cross multiply
    265,928.37x = 398,966.39 × 147,682.76
  4. Step 4: Simplify right side
    265,928.37x = 58,920,454,889.19
  5. Step 5: Solve for x
    x = 58,920,454,889.19/265,928.37
  6. Step 6: Final answer
    x = 221,565.13

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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.