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Finding the Fourth Proportional to 460,227.12, 690,455.76 and 365,813.52

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Solution

The fourth proportional to 460,227.12, 690,455.76 and 365,813.52 is: 548,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,227.12 : 690,455.76 = 365,813.52 : x
  2. Step 2: Convert to fraction form
    460,227.12/690,455.76 = 365,813.52/x
  3. Step 3: Cross multiply
    460,227.12x = 690,455.76 × 365,813.52
  4. Step 4: Simplify right side
    460,227.12x = 252,578,051,969.88
  5. Step 5: Solve for x
    x = 252,578,051,969.88/460,227.12
  6. Step 6: Final answer
    x = 548,811.75

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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.