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Finding the Fourth Proportional to 477,157.34, 658,478.50 and 273,211.36

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Solution

The fourth proportional to 477,157.34, 658,478.50 and 273,211.36 is: 377,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,157.34 : 658,478.50 = 273,211.36 : x
  2. Step 2: Convert to fraction form
    477,157.34/658,478.50 = 273,211.36/x
  3. Step 3: Cross multiply
    477,157.34x = 658,478.50 × 273,211.36
  4. Step 4: Simplify right side
    477,157.34x = 179,903,806,515.76
  5. Step 5: Solve for x
    x = 179,903,806,515.76/477,157.34
  6. Step 6: Final answer
    x = 377,032.46

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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.