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Finding the Fourth Proportional to 365,002.20, 547,605.70 and 178,019.80

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Solution

The fourth proportional to 365,002.20, 547,605.70 and 178,019.80 is: 267,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,002.20 : 547,605.70 = 178,019.80 : x
  2. Step 2: Convert to fraction form
    365,002.20/547,605.70 = 178,019.80/x
  3. Step 3: Cross multiply
    365,002.20x = 547,605.70 × 178,019.80
  4. Step 4: Simplify right side
    365,002.20x = 97,484,657,192.86
  5. Step 5: Solve for x
    x = 97,484,657,192.86/365,002.20
  6. Step 6: Final answer
    x = 267,079.64

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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.