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Finding the Fourth Proportional to 309,616.24, 464,631.48 and 112,624.24

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Solution

The fourth proportional to 309,616.24, 464,631.48 and 112,624.24 is: 169,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,616.24 : 464,631.48 = 112,624.24 : x
  2. Step 2: Convert to fraction form
    309,616.24/464,631.48 = 112,624.24/x
  3. Step 3: Cross multiply
    309,616.24x = 464,631.48 × 112,624.24
  4. Step 4: Simplify right side
    309,616.24x = 52,328,767,315.08
  5. Step 5: Solve for x
    x = 52,328,767,315.08/309,616.24
  6. Step 6: Final answer
    x = 169,011.70

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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.