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Finding the Fourth Proportional to 608,632.67, 839,976.15 and 350,518.83

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Solution

The fourth proportional to 608,632.67, 839,976.15 and 350,518.83 is: 483,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,632.67 : 839,976.15 = 350,518.83 : x
  2. Step 2: Convert to fraction form
    608,632.67/839,976.15 = 350,518.83/x
  3. Step 3: Cross multiply
    608,632.67x = 839,976.15 × 350,518.83
  4. Step 4: Simplify right side
    608,632.67x = 294,427,457,325.91
  5. Step 5: Solve for x
    x = 294,427,457,325.91/608,632.67
  6. Step 6: Final answer
    x = 483,752.31

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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.