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Finding the Fourth Proportional to 1,672,248, 2,508,788.64 and 490,296

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Solution

The fourth proportional to 1,672,248, 2,508,788.64 and 490,296 is: 735,566.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,248 : 2,508,788.64 = 490,296 : x
  2. Step 2: Convert to fraction form
    1,672,248/2,508,788.64 = 490,296/x
  3. Step 3: Cross multiply
    1,672,248x = 2,508,788.64 × 490,296
  4. Step 4: Simplify right side
    1,672,248x = 1,230,049,035,037.44
  5. Step 5: Solve for x
    x = 1,230,049,035,037.44/1,672,248
  6. Step 6: Final answer
    x = 735,566.16

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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.