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Finding the Fourth Proportional to 365,722.60, 548,583.90 and 116,429.80

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Solution

The fourth proportional to 365,722.60, 548,583.90 and 116,429.80 is: 174,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,722.60 : 548,583.90 = 116,429.80 : x
  2. Step 2: Convert to fraction form
    365,722.60/548,583.90 = 116,429.80/x
  3. Step 3: Cross multiply
    365,722.60x = 548,583.90 × 116,429.80
  4. Step 4: Simplify right side
    365,722.60x = 63,871,513,760.22
  5. Step 5: Solve for x
    x = 63,871,513,760.22/365,722.60
  6. Step 6: Final answer
    x = 174,644.70

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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.