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Finding the Fourth Proportional to 288,608.37, 432,912.56 and 174,779.12

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Solution

The fourth proportional to 288,608.37, 432,912.56 and 174,779.12 is: 262,168.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,608.37 : 432,912.56 = 174,779.12 : x
  2. Step 2: Convert to fraction form
    288,608.37/432,912.56 = 174,779.12/x
  3. Step 3: Cross multiply
    288,608.37x = 432,912.56 × 174,779.12
  4. Step 4: Simplify right side
    288,608.37x = 75,664,075,264.57
  5. Step 5: Solve for x
    x = 75,664,075,264.57/288,608.37
  6. Step 6: Final answer
    x = 262,168.68

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Similar ratio
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1.5x scale

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.