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Finding the Fourth Proportional to 365,553.60, 548,330.40 and 259,265.40

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Solution

The fourth proportional to 365,553.60, 548,330.40 and 259,265.40 is: 388,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,553.60 : 548,330.40 = 259,265.40 : x
  2. Step 2: Convert to fraction form
    365,553.60/548,330.40 = 259,265.40/x
  3. Step 3: Cross multiply
    365,553.60x = 548,330.40 × 259,265.40
  4. Step 4: Simplify right side
    365,553.60x = 142,163,100,488.16
  5. Step 5: Solve for x
    x = 142,163,100,488.16/365,553.60
  6. Step 6: Final answer
    x = 388,898.10

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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.