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Finding the Fourth Proportional to 489,501.48, 734,472.48 and 264,598.56

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Solution

The fourth proportional to 489,501.48, 734,472.48 and 264,598.56 is: 397,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,501.48 : 734,472.48 = 264,598.56 : x
  2. Step 2: Convert to fraction form
    489,501.48/734,472.48 = 264,598.56/x
  3. Step 3: Cross multiply
    489,501.48x = 734,472.48 × 264,598.56
  4. Step 4: Simplify right side
    489,501.48x = 194,340,360,567.63
  5. Step 5: Solve for x
    x = 194,340,360,567.63/489,501.48
  6. Step 6: Final answer
    x = 397,016.90

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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.