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Finding the Fourth Proportional to 328,037.16, 492,211.26 and 195,179.88

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Solution

The fourth proportional to 328,037.16, 492,211.26 and 195,179.88 is: 292,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,037.16 : 492,211.26 = 195,179.88 : x
  2. Step 2: Convert to fraction form
    328,037.16/492,211.26 = 195,179.88/x
  3. Step 3: Cross multiply
    328,037.16x = 492,211.26 × 195,179.88
  4. Step 4: Simplify right side
    328,037.16x = 96,069,734,661.45
  5. Step 5: Solve for x
    x = 96,069,734,661.45/328,037.16
  6. Step 6: Final answer
    x = 292,862.35

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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.