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Finding the Fourth Proportional to 320,318.94, 480,527.62 and 107,047.46

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Solution

The fourth proportional to 320,318.94, 480,527.62 and 107,047.46 is: 160,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,318.94 : 480,527.62 = 107,047.46 : x
  2. Step 2: Convert to fraction form
    320,318.94/480,527.62 = 107,047.46/x
  3. Step 3: Cross multiply
    320,318.94x = 480,527.62 × 107,047.46
  4. Step 4: Simplify right side
    320,318.94x = 51,439,261,180.85
  5. Step 5: Solve for x
    x = 51,439,261,180.85/320,318.94
  6. Step 6: Final answer
    x = 160,587.64

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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.