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Finding the Fourth Proportional to 311,328.36, 466,779.24 and 111,644.46

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Solution

The fourth proportional to 311,328.36, 466,779.24 and 111,644.46 is: 167,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,328.36 : 466,779.24 = 111,644.46 : x
  2. Step 2: Convert to fraction form
    311,328.36/466,779.24 = 111,644.46/x
  3. Step 3: Cross multiply
    311,328.36x = 466,779.24 × 111,644.46
  4. Step 4: Simplify right side
    311,328.36x = 52,113,316,189.01
  5. Step 5: Solve for x
    x = 52,113,316,189.01/311,328.36
  6. Step 6: Final answer
    x = 167,390.20

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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.