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Finding the Fourth Proportional to 353,396.28, 530,018.10 and 116,682.84

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Solution

The fourth proportional to 353,396.28, 530,018.10 and 116,682.84 is: 174,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,396.28 : 530,018.10 = 116,682.84 : x
  2. Step 2: Convert to fraction form
    353,396.28/530,018.10 = 116,682.84/x
  3. Step 3: Cross multiply
    353,396.28x = 530,018.10 × 116,682.84
  4. Step 4: Simplify right side
    353,396.28x = 61,844,017,159.40
  5. Step 5: Solve for x
    x = 61,844,017,159.40/353,396.28
  6. Step 6: Final answer
    x = 174,999.06

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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.