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Finding the Fourth Proportional to 365,816.40, 548,465.40 and 166,232.40

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Solution

The fourth proportional to 365,816.40, 548,465.40 and 166,232.40 is: 249,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,816.40 : 548,465.40 = 166,232.40 : x
  2. Step 2: Convert to fraction form
    365,816.40/548,465.40 = 166,232.40/x
  3. Step 3: Cross multiply
    365,816.40x = 548,465.40 × 166,232.40
  4. Step 4: Simplify right side
    365,816.40x = 91,172,719,758.96
  5. Step 5: Solve for x
    x = 91,172,719,758.96/365,816.40
  6. Step 6: Final answer
    x = 249,230.82

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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.