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Finding the Fourth Proportional to 614,782.72, 848,398.48 and 342,850.91

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Solution

The fourth proportional to 614,782.72, 848,398.48 and 342,850.91 is: 473,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,782.72 : 848,398.48 = 342,850.91 : x
  2. Step 2: Convert to fraction form
    614,782.72/848,398.48 = 342,850.91/x
  3. Step 3: Cross multiply
    614,782.72x = 848,398.48 × 342,850.91
  4. Step 4: Simplify right side
    614,782.72x = 290,874,185,811.50
  5. Step 5: Solve for x
    x = 290,874,185,811.50/614,782.72
  6. Step 6: Final answer
    x = 473,133.32

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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.