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Finding the Fourth Proportional to 365,578.60, 548,367.90 and 116,285.80

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Solution

The fourth proportional to 365,578.60, 548,367.90 and 116,285.80 is: 174,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,578.60 : 548,367.90 = 116,285.80 : x
  2. Step 2: Convert to fraction form
    365,578.60/548,367.90 = 116,285.80/x
  3. Step 3: Cross multiply
    365,578.60x = 548,367.90 × 116,285.80
  4. Step 4: Simplify right side
    365,578.60x = 63,767,399,945.82
  5. Step 5: Solve for x
    x = 63,767,399,945.82/365,578.60
  6. Step 6: Final answer
    x = 174,428.70

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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.