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Finding the Fourth Proportional to 365,325.20, 547,987.80 and 197,363.60

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Solution

The fourth proportional to 365,325.20, 547,987.80 and 197,363.60 is: 296,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,325.20 : 547,987.80 = 197,363.60 : x
  2. Step 2: Convert to fraction form
    365,325.20/547,987.80 = 197,363.60/x
  3. Step 3: Cross multiply
    365,325.20x = 547,987.80 × 197,363.60
  4. Step 4: Simplify right side
    365,325.20x = 108,152,844,964.08
  5. Step 5: Solve for x
    x = 108,152,844,964.08/365,325.20
  6. Step 6: Final answer
    x = 296,045.40

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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.