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Finding the Fourth Proportional to 594,622.72, 820,619.81 and 336,499.84

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Solution

The fourth proportional to 594,622.72, 820,619.81 and 336,499.84 is: 464,392.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,622.72 : 820,619.81 = 336,499.84 : x
  2. Step 2: Convert to fraction form
    594,622.72/820,619.81 = 336,499.84/x
  3. Step 3: Cross multiply
    594,622.72x = 820,619.81 × 336,499.84
  4. Step 4: Simplify right side
    594,622.72x = 276,138,434,765.83
  5. Step 5: Solve for x
    x = 276,138,434,765.83/594,622.72
  6. Step 6: Final answer
    x = 464,392.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.