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Finding the Fourth Proportional to 617,528.25, 852,188.99 and 334,904.25

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Solution

The fourth proportional to 617,528.25, 852,188.99 and 334,904.25 is: 462,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,528.25 : 852,188.99 = 334,904.25 : x
  2. Step 2: Convert to fraction form
    617,528.25/852,188.99 = 334,904.25/x
  3. Step 3: Cross multiply
    617,528.25x = 852,188.99 × 334,904.25
  4. Step 4: Simplify right side
    617,528.25x = 285,401,712,879.69
  5. Step 5: Solve for x
    x = 285,401,712,879.69/617,528.25
  6. Step 6: Final answer
    x = 462,167.87

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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.