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Finding the Fourth Proportional to 1,691,826.30, 2,537,854.65 and 493,746.30

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Solution

The fourth proportional to 1,691,826.30, 2,537,854.65 and 493,746.30 is: 740,653.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,826.30 : 2,537,854.65 = 493,746.30 : x
  2. Step 2: Convert to fraction form
    1,691,826.30/2,537,854.65 = 493,746.30/x
  3. Step 3: Cross multiply
    1,691,826.30x = 2,537,854.65 × 493,746.30
  4. Step 4: Simplify right side
    1,691,826.30x = 1,253,056,343,375.30
  5. Step 5: Solve for x
    x = 1,253,056,343,375.30/1,691,826.30
  6. Step 6: Final answer
    x = 740,653.07

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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.