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Finding the Fourth Proportional to 447,152.52, 617,064.36 and 243,199.04

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Solution

The fourth proportional to 447,152.52, 617,064.36 and 243,199.04 is: 335,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,152.52 : 617,064.36 = 243,199.04 : x
  2. Step 2: Convert to fraction form
    447,152.52/617,064.36 = 243,199.04/x
  3. Step 3: Cross multiply
    447,152.52x = 617,064.36 × 243,199.04
  4. Step 4: Simplify right side
    447,152.52x = 150,069,459,970.21
  5. Step 5: Solve for x
    x = 150,069,459,970.21/447,152.52
  6. Step 6: Final answer
    x = 335,611.35

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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.