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Finding the Fourth Proportional to 328,033.20, 492,049.80 and 117,643.80

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Solution

The fourth proportional to 328,033.20, 492,049.80 and 117,643.80 is: 176,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,033.20 : 492,049.80 = 117,643.80 : x
  2. Step 2: Convert to fraction form
    328,033.20/492,049.80 = 117,643.80/x
  3. Step 3: Cross multiply
    328,033.20x = 492,049.80 × 117,643.80
  4. Step 4: Simplify right side
    328,033.20x = 57,886,608,261.24
  5. Step 5: Solve for x
    x = 57,886,608,261.24/328,033.20
  6. Step 6: Final answer
    x = 176,465.70

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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.