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Finding the Fourth Proportional to 1,346,751.04, 1,856,835.30 and 862,520.08

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Solution

The fourth proportional to 1,346,751.04, 1,856,835.30 and 862,520.08 is: 1,189,201.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,751.04 : 1,856,835.30 = 862,520.08 : x
  2. Step 2: Convert to fraction form
    1,346,751.04/1,856,835.30 = 862,520.08/x
  3. Step 3: Cross multiply
    1,346,751.04x = 1,856,835.30 × 862,520.08
  4. Step 4: Simplify right side
    1,346,751.04x = 1,601,557,731,502.82
  5. Step 5: Solve for x
    x = 1,601,557,731,502.82/1,346,751.04
  6. Step 6: Final answer
    x = 1,189,201.04

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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.