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Finding the Fourth Proportional to 320,322.33, 480,527.64 and 109,932.93

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Solution

The fourth proportional to 320,322.33, 480,527.64 and 109,932.93 is: 164,914.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,322.33 : 480,527.64 = 109,932.93 : x
  2. Step 2: Convert to fraction form
    320,322.33/480,527.64 = 109,932.93/x
  3. Step 3: Cross multiply
    320,322.33x = 480,527.64 × 109,932.93
  4. Step 4: Simplify right side
    320,322.33x = 52,825,811,411.19
  5. Step 5: Solve for x
    x = 52,825,811,411.19/320,322.33
  6. Step 6: Final answer
    x = 164,914.55

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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.