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Finding the Fourth Proportional to 328,373.36, 453,154.56 and 177,470

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Solution

The fourth proportional to 328,373.36, 453,154.56 and 177,470 is: 244,908.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,373.36 : 453,154.56 = 177,470 : x
  2. Step 2: Convert to fraction form
    328,373.36/453,154.56 = 177,470/x
  3. Step 3: Cross multiply
    328,373.36x = 453,154.56 × 177,470
  4. Step 4: Simplify right side
    328,373.36x = 80,421,339,763.20
  5. Step 5: Solve for x
    x = 80,421,339,763.20/328,373.36
  6. Step 6: Final answer
    x = 244,908.23

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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.