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Finding the Fourth Proportional to 328,395.42, 453,185.64 and 177,492.42

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Solution

The fourth proportional to 328,395.42, 453,185.64 and 177,492.42 is: 244,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,395.42 : 453,185.64 = 177,492.42 : x
  2. Step 2: Convert to fraction form
    328,395.42/453,185.64 = 177,492.42/x
  3. Step 3: Cross multiply
    328,395.42x = 453,185.64 × 177,492.42
  4. Step 4: Simplify right side
    328,395.42x = 80,437,015,952.85
  5. Step 5: Solve for x
    x = 80,437,015,952.85/328,395.42
  6. Step 6: Final answer
    x = 244,939.52

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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.