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Finding the Fourth Proportional to 611,994.15, 844,200.18 and 382,152.42

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Solution

The fourth proportional to 611,994.15, 844,200.18 and 382,152.42 is: 527,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,994.15 : 844,200.18 = 382,152.42 : x
  2. Step 2: Convert to fraction form
    611,994.15/844,200.18 = 382,152.42/x
  3. Step 3: Cross multiply
    611,994.15x = 844,200.18 × 382,152.42
  4. Step 4: Simplify right side
    611,994.15x = 322,613,141,751.44
  5. Step 5: Solve for x
    x = 322,613,141,751.44/611,994.15
  6. Step 6: Final answer
    x = 527,150.70

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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.