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Finding the Fourth Proportional to 617,530.25, 852,191.75 and 334,906.25

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Solution

The fourth proportional to 617,530.25, 852,191.75 and 334,906.25 is: 462,170.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,530.25 : 852,191.75 = 334,906.25 : x
  2. Step 2: Convert to fraction form
    617,530.25/852,191.75 = 334,906.25/x
  3. Step 3: Cross multiply
    617,530.25x = 852,191.75 × 334,906.25
  4. Step 4: Simplify right side
    617,530.25x = 285,404,341,598.91
  5. Step 5: Solve for x
    x = 285,404,341,598.91/617,530.25
  6. Step 6: Final answer
    x = 462,170.63

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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.