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Finding the Fourth Proportional to 194,616.10, 291,924.15 and 185,430.70

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Solution

The fourth proportional to 194,616.10, 291,924.15 and 185,430.70 is: 278,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,616.10 : 291,924.15 = 185,430.70 : x
  2. Step 2: Convert to fraction form
    194,616.10/291,924.15 = 185,430.70/x
  3. Step 3: Cross multiply
    194,616.10x = 291,924.15 × 185,430.70
  4. Step 4: Simplify right side
    194,616.10x = 54,131,699,481.41
  5. Step 5: Solve for x
    x = 54,131,699,481.41/194,616.10
  6. Step 6: Final answer
    x = 278,146.05

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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.