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Finding the Fourth Proportional to 362,185.12, 499,678.32 and 266,919.04

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Solution

The fourth proportional to 362,185.12, 499,678.32 and 266,919.04 is: 368,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,185.12 : 499,678.32 = 266,919.04 : x
  2. Step 2: Convert to fraction form
    362,185.12/499,678.32 = 266,919.04/x
  3. Step 3: Cross multiply
    362,185.12x = 499,678.32 × 266,919.04
  4. Step 4: Simplify right side
    362,185.12x = 133,373,657,483.21
  5. Step 5: Solve for x
    x = 133,373,657,483.21/362,185.12
  6. Step 6: Final answer
    x = 368,247.20

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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.