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Finding the Fourth Proportional to 328,303.20, 453,061.44 and 185,050.56

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Solution

The fourth proportional to 328,303.20, 453,061.44 and 185,050.56 is: 255,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,303.20 : 453,061.44 = 185,050.56 : x
  2. Step 2: Convert to fraction form
    328,303.20/453,061.44 = 185,050.56/x
  3. Step 3: Cross multiply
    328,303.20x = 453,061.44 × 185,050.56
  4. Step 4: Simplify right side
    328,303.20x = 83,839,273,186.41
  5. Step 5: Solve for x
    x = 83,839,273,186.41/328,303.20
  6. Step 6: Final answer
    x = 255,371.48

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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.