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Finding the Fourth Proportional to 549,029.44, 758,133.44 and 345,419.72

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Solution

The fourth proportional to 549,029.44, 758,133.44 and 345,419.72 is: 476,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,029.44 : 758,133.44 = 345,419.72 : x
  2. Step 2: Convert to fraction form
    549,029.44/758,133.44 = 345,419.72/x
  3. Step 3: Cross multiply
    549,029.44x = 758,133.44 × 345,419.72
  4. Step 4: Simplify right side
    549,029.44x = 261,874,240,567.44
  5. Step 5: Solve for x
    x = 261,874,240,567.44/549,029.44
  6. Step 6: Final answer
    x = 476,976.68

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1.5x scale

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.