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Finding the Fourth Proportional to 377,524.80, 566,287.20 and 348,656.40

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Solution

The fourth proportional to 377,524.80, 566,287.20 and 348,656.40 is: 522,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,524.80 : 566,287.20 = 348,656.40 : x
  2. Step 2: Convert to fraction form
    377,524.80/566,287.20 = 348,656.40/x
  3. Step 3: Cross multiply
    377,524.80x = 566,287.20 × 348,656.40
  4. Step 4: Simplify right side
    377,524.80x = 197,439,656,518.08
  5. Step 5: Solve for x
    x = 197,439,656,518.08/377,524.80
  6. Step 6: Final answer
    x = 522,984.60

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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.