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Finding the Fourth Proportional to 614,633.85, 848,132.64 and 342,676.22

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Solution

The fourth proportional to 614,633.85, 848,132.64 and 342,676.22 is: 472,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,633.85 : 848,132.64 = 342,676.22 : x
  2. Step 2: Convert to fraction form
    614,633.85/848,132.64 = 342,676.22/x
  3. Step 3: Cross multiply
    614,633.85x = 848,132.64 × 342,676.22
  4. Step 4: Simplify right side
    614,633.85x = 290,634,882,893.16
  5. Step 5: Solve for x
    x = 290,634,882,893.16/614,633.85
  6. Step 6: Final answer
    x = 472,858.57

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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.