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Finding the Fourth Proportional to 382,424.80, 573,637.20 and 367,909.60

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Solution

The fourth proportional to 382,424.80, 573,637.20 and 367,909.60 is: 551,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,424.80 : 573,637.20 = 367,909.60 : x
  2. Step 2: Convert to fraction form
    382,424.80/573,637.20 = 367,909.60/x
  3. Step 3: Cross multiply
    382,424.80x = 573,637.20 × 367,909.60
  4. Step 4: Simplify right side
    382,424.80x = 211,046,632,797.12
  5. Step 5: Solve for x
    x = 211,046,632,797.12/382,424.80
  6. Step 6: Final answer
    x = 551,864.40

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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.