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Finding the Fourth Proportional to 330,884.66, 496,126.85 and 148,482.02

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Solution

The fourth proportional to 330,884.66, 496,126.85 and 148,482.02 is: 222,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,884.66 : 496,126.85 = 148,482.02 : x
  2. Step 2: Convert to fraction form
    330,884.66/496,126.85 = 148,482.02/x
  3. Step 3: Cross multiply
    330,884.66x = 496,126.85 × 148,482.02
  4. Step 4: Simplify right side
    330,884.66x = 73,665,913,641.19
  5. Step 5: Solve for x
    x = 73,665,913,641.19/330,884.66
  6. Step 6: Final answer
    x = 222,633.21

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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.