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Finding the Fourth Proportional to 447,797.02, 617,307.08 and 340,180.22

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Solution

The fourth proportional to 447,797.02, 617,307.08 and 340,180.22 is: 468,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,797.02 : 617,307.08 = 340,180.22 : x
  2. Step 2: Convert to fraction form
    447,797.02/617,307.08 = 340,180.22/x
  3. Step 3: Cross multiply
    447,797.02x = 617,307.08 × 340,180.22
  4. Step 4: Simplify right side
    447,797.02x = 209,995,658,281.96
  5. Step 5: Solve for x
    x = 209,995,658,281.96/447,797.02
  6. Step 6: Final answer
    x = 468,952.78

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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.