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Finding the Fourth Proportional to 549,961.98, 758,780.40 and 346,216.29

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Solution

The fourth proportional to 549,961.98, 758,780.40 and 346,216.29 is: 477,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,961.98 : 758,780.40 = 346,216.29 : x
  2. Step 2: Convert to fraction form
    549,961.98/758,780.40 = 346,216.29/x
  3. Step 3: Cross multiply
    549,961.98x = 758,780.40 × 346,216.29
  4. Step 4: Simplify right side
    549,961.98x = 262,702,135,012.72
  5. Step 5: Solve for x
    x = 262,702,135,012.72/549,961.98
  6. Step 6: Final answer
    x = 477,673.27

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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.