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Finding the Fourth Proportional to 447,240.63, 617,235.74 and 333,866.55

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Solution

The fourth proportional to 447,240.63, 617,235.74 and 333,866.55 is: 460,768.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,240.63 : 617,235.74 = 333,866.55 : x
  2. Step 2: Convert to fraction form
    447,240.63/617,235.74 = 333,866.55/x
  3. Step 3: Cross multiply
    447,240.63x = 617,235.74 × 333,866.55
  4. Step 4: Simplify right side
    447,240.63x = 206,074,365,381.16
  5. Step 5: Solve for x
    x = 206,074,365,381.16/447,240.63
  6. Step 6: Final answer
    x = 460,768.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.