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Finding the Fourth Proportional to 545,824.80, 818,737.20 and 367,365.60

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Solution

The fourth proportional to 545,824.80, 818,737.20 and 367,365.60 is: 551,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,824.80 : 818,737.20 = 367,365.60 : x
  2. Step 2: Convert to fraction form
    545,824.80/818,737.20 = 367,365.60/x
  3. Step 3: Cross multiply
    545,824.80x = 818,737.20 × 367,365.60
  4. Step 4: Simplify right side
    545,824.80x = 300,775,882,720.32
  5. Step 5: Solve for x
    x = 300,775,882,720.32/545,824.80
  6. Step 6: Final answer
    x = 551,048.40

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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.