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Finding the Fourth Proportional to 369,389.60, 554,084.40 and 367,056.80

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Solution

The fourth proportional to 369,389.60, 554,084.40 and 367,056.80 is: 550,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,389.60 : 554,084.40 = 367,056.80 : x
  2. Step 2: Convert to fraction form
    369,389.60/554,084.40 = 367,056.80/x
  3. Step 3: Cross multiply
    369,389.60x = 554,084.40 × 367,056.80
  4. Step 4: Simplify right side
    369,389.60x = 203,380,446,793.92
  5. Step 5: Solve for x
    x = 203,380,446,793.92/369,389.60
  6. Step 6: Final answer
    x = 550,585.20

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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.