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Finding the Fourth Proportional to 497,390.22, 746,305.65 and 260,676.54

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Solution

The fourth proportional to 497,390.22, 746,305.65 and 260,676.54 is: 391,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,390.22 : 746,305.65 = 260,676.54 : x
  2. Step 2: Convert to fraction form
    497,390.22/746,305.65 = 260,676.54/x
  3. Step 3: Cross multiply
    497,390.22x = 746,305.65 × 260,676.54
  4. Step 4: Simplify right side
    497,390.22x = 194,544,374,624.45
  5. Step 5: Solve for x
    x = 194,544,374,624.45/497,390.22
  6. Step 6: Final answer
    x = 391,130.28

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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.