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Finding the Fourth Proportional to 228,244.60, 342,647.70 and 144,004.60

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Solution

The fourth proportional to 228,244.60, 342,647.70 and 144,004.60 is: 216,184.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,244.60 : 342,647.70 = 144,004.60 : x
  2. Step 2: Convert to fraction form
    228,244.60/342,647.70 = 144,004.60/x
  3. Step 3: Cross multiply
    228,244.60x = 342,647.70 × 144,004.60
  4. Step 4: Simplify right side
    228,244.60x = 49,342,844,979.42
  5. Step 5: Solve for x
    x = 49,342,844,979.42/228,244.60
  6. Step 6: Final answer
    x = 216,184.06

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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.