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Finding the Fourth Proportional to 447,523.82, 617,587.91 and 243,576.03

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Solution

The fourth proportional to 447,523.82, 617,587.91 and 243,576.03 is: 336,137.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,523.82 : 617,587.91 = 243,576.03 : x
  2. Step 2: Convert to fraction form
    447,523.82/617,587.91 = 243,576.03/x
  3. Step 3: Cross multiply
    447,523.82x = 617,587.91 × 243,576.03
  4. Step 4: Simplify right side
    447,523.82x = 150,429,610,075.92
  5. Step 5: Solve for x
    x = 150,429,610,075.92/447,523.82
  6. Step 6: Final answer
    x = 336,137.66

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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.