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Finding the Fourth Proportional to 382,384.80, 573,577.20 and 367,869.60

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Solution

The fourth proportional to 382,384.80, 573,577.20 and 367,869.60 is: 551,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,384.80 : 573,577.20 = 367,869.60 : x
  2. Step 2: Convert to fraction form
    382,384.80/573,577.20 = 367,869.60/x
  3. Step 3: Cross multiply
    382,384.80x = 573,577.20 × 367,869.60
  4. Step 4: Simplify right side
    382,384.80x = 211,001,615,133.12
  5. Step 5: Solve for x
    x = 211,001,615,133.12/382,384.80
  6. Step 6: Final answer
    x = 551,804.40

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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.