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Finding the Fourth Proportional to 447,737.68, 617,921.56 and 334,363.60

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Solution

The fourth proportional to 447,737.68, 617,921.56 and 334,363.60 is: 461,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,737.68 : 617,921.56 = 334,363.60 : x
  2. Step 2: Convert to fraction form
    447,737.68/617,921.56 = 334,363.60/x
  3. Step 3: Cross multiply
    447,737.68x = 617,921.56 × 334,363.60
  4. Step 4: Simplify right side
    447,737.68x = 206,610,477,319.22
  5. Step 5: Solve for x
    x = 206,610,477,319.22/447,737.68
  6. Step 6: Final answer
    x = 461,454.30

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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.