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Finding the Fourth Proportional to 604,217.18, 906,325.77 and 287,714.54

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Solution

The fourth proportional to 604,217.18, 906,325.77 and 287,714.54 is: 431,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,217.18 : 906,325.77 = 287,714.54 : x
  2. Step 2: Convert to fraction form
    604,217.18/906,325.77 = 287,714.54/x
  3. Step 3: Cross multiply
    604,217.18x = 906,325.77 × 287,714.54
  4. Step 4: Simplify right side
    604,217.18x = 260,763,102,005.70
  5. Step 5: Solve for x
    x = 260,763,102,005.70/604,217.18
  6. Step 6: Final answer
    x = 431,571.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.