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Finding the Fourth Proportional to 317,999.36, 438,846.72 and 174,773

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Solution

The fourth proportional to 317,999.36, 438,846.72 and 174,773 is: 241,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,999.36 : 438,846.72 = 174,773 : x
  2. Step 2: Convert to fraction form
    317,999.36/438,846.72 = 174,773/x
  3. Step 3: Cross multiply
    317,999.36x = 438,846.72 × 174,773
  4. Step 4: Simplify right side
    317,999.36x = 76,698,557,794.56
  5. Step 5: Solve for x
    x = 76,698,557,794.56/317,999.36
  6. Step 6: Final answer
    x = 241,190.92

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1.5x scale

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.