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Finding the Fourth Proportional to 296,800.32, 445,252.32 and 130,584

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Solution

The fourth proportional to 296,800.32, 445,252.32 and 130,584 is: 195,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,800.32 : 445,252.32 = 130,584 : x
  2. Step 2: Convert to fraction form
    296,800.32/445,252.32 = 130,584/x
  3. Step 3: Cross multiply
    296,800.32x = 445,252.32 × 130,584
  4. Step 4: Simplify right side
    296,800.32x = 58,142,828,954.88
  5. Step 5: Solve for x
    x = 58,142,828,954.88/296,800.32
  6. Step 6: Final answer
    x = 195,898.81

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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.