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Finding the Fourth Proportional to 194,630.10, 291,945.15 and 185,444.70

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Solution

The fourth proportional to 194,630.10, 291,945.15 and 185,444.70 is: 278,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,630.10 : 291,945.15 = 185,444.70 : x
  2. Step 2: Convert to fraction form
    194,630.10/291,945.15 = 185,444.70/x
  3. Step 3: Cross multiply
    194,630.10x = 291,945.15 × 185,444.70
  4. Step 4: Simplify right side
    194,630.10x = 54,139,680,758.21
  5. Step 5: Solve for x
    x = 54,139,680,758.21/194,630.10
  6. Step 6: Final answer
    x = 278,167.05

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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.