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Finding the Fourth Proportional to 614,656.89, 848,223.36 and 356,586.03

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Solution

The fourth proportional to 614,656.89, 848,223.36 and 356,586.03 is: 492,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,656.89 : 848,223.36 = 356,586.03 : x
  2. Step 2: Convert to fraction form
    614,656.89/848,223.36 = 356,586.03/x
  3. Step 3: Cross multiply
    614,656.89x = 848,223.36 × 356,586.03
  4. Step 4: Simplify right side
    614,656.89x = 302,464,600,495.66
  5. Step 5: Solve for x
    x = 302,464,600,495.66/614,656.89
  6. Step 6: Final answer
    x = 492,086.90

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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.