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Finding the Fourth Proportional to 365,685.60, 548,528.40 and 116,392.80

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Solution

The fourth proportional to 365,685.60, 548,528.40 and 116,392.80 is: 174,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,685.60 : 548,528.40 = 116,392.80 : x
  2. Step 2: Convert to fraction form
    365,685.60/548,528.40 = 116,392.80/x
  3. Step 3: Cross multiply
    365,685.60x = 548,528.40 × 116,392.80
  4. Step 4: Simplify right side
    365,685.60x = 63,844,756,355.52
  5. Step 5: Solve for x
    x = 63,844,756,355.52/365,685.60
  6. Step 6: Final answer
    x = 174,589.20

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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.