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Finding the Fourth Proportional to 228,924.10, 343,386.15 and 194,364.10

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Solution

The fourth proportional to 228,924.10, 343,386.15 and 194,364.10 is: 291,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,924.10 : 343,386.15 = 194,364.10 : x
  2. Step 2: Convert to fraction form
    228,924.10/343,386.15 = 194,364.10/x
  3. Step 3: Cross multiply
    228,924.10x = 343,386.15 × 194,364.10
  4. Step 4: Simplify right side
    228,924.10x = 66,741,939,997.22
  5. Step 5: Solve for x
    x = 66,741,939,997.22/228,924.10
  6. Step 6: Final answer
    x = 291,546.15

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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.