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Finding the Fourth Proportional to 528,846.30, 793,400.67 and 248,035.50

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Solution

The fourth proportional to 528,846.30, 793,400.67 and 248,035.50 is: 372,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,846.30 : 793,400.67 = 248,035.50 : x
  2. Step 2: Convert to fraction form
    528,846.30/793,400.67 = 248,035.50/x
  3. Step 3: Cross multiply
    528,846.30x = 793,400.67 × 248,035.50
  4. Step 4: Simplify right side
    528,846.30x = 196,791,531,883.79
  5. Step 5: Solve for x
    x = 196,791,531,883.79/528,846.30
  6. Step 6: Final answer
    x = 372,114.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.