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Finding the Fourth Proportional to 366,931.20, 550,396.80 and 177,482.33

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Solution

The fourth proportional to 366,931.20, 550,396.80 and 177,482.33 is: 266,223.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,931.20 : 550,396.80 = 177,482.33 : x
  2. Step 2: Convert to fraction form
    366,931.20/550,396.80 = 177,482.33/x
  3. Step 3: Cross multiply
    366,931.20x = 550,396.80 × 177,482.33
  4. Step 4: Simplify right side
    366,931.20x = 97,685,703,736.56
  5. Step 5: Solve for x
    x = 97,685,703,736.56/366,931.20
  6. Step 6: Final answer
    x = 266,223.49

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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.