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Finding the Fourth Proportional to 365,722.10, 548,583.15 and 116,429.30

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Solution

The fourth proportional to 365,722.10, 548,583.15 and 116,429.30 is: 174,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,722.10 : 548,583.15 = 116,429.30 : x
  2. Step 2: Convert to fraction form
    365,722.10/548,583.15 = 116,429.30/x
  3. Step 3: Cross multiply
    365,722.10x = 548,583.15 × 116,429.30
  4. Step 4: Simplify right side
    365,722.10x = 63,871,152,146.30
  5. Step 5: Solve for x
    x = 63,871,152,146.30/365,722.10
  6. Step 6: Final answer
    x = 174,643.95

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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.