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Finding the Fourth Proportional to 477,365.89, 658,763.97 and 273,482.81

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Solution

The fourth proportional to 477,365.89, 658,763.97 and 273,482.81 is: 377,405.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,365.89 : 658,763.97 = 273,482.81 : x
  2. Step 2: Convert to fraction form
    477,365.89/658,763.97 = 273,482.81/x
  3. Step 3: Cross multiply
    477,365.89x = 658,763.97 × 273,482.81
  4. Step 4: Simplify right side
    477,365.89x = 180,160,621,642.36
  5. Step 5: Solve for x
    x = 180,160,621,642.36/477,365.89
  6. Step 6: Final answer
    x = 377,405.73

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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.