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Finding the Fourth Proportional to 668,097.10, 1,002,145.65 and 194,830.30

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Solution

The fourth proportional to 668,097.10, 1,002,145.65 and 194,830.30 is: 292,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,097.10 : 1,002,145.65 = 194,830.30 : x
  2. Step 2: Convert to fraction form
    668,097.10/1,002,145.65 = 194,830.30/x
  3. Step 3: Cross multiply
    668,097.10x = 1,002,145.65 × 194,830.30
  4. Step 4: Simplify right side
    668,097.10x = 195,248,337,633.20
  5. Step 5: Solve for x
    x = 195,248,337,633.20/668,097.10
  6. Step 6: Final answer
    x = 292,245.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.