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Finding the Fourth Proportional to 335,779.80, 503,669.70 and 111,174.90

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Solution

The fourth proportional to 335,779.80, 503,669.70 and 111,174.90 is: 166,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,779.80 : 503,669.70 = 111,174.90 : x
  2. Step 2: Convert to fraction form
    335,779.80/503,669.70 = 111,174.90/x
  3. Step 3: Cross multiply
    335,779.80x = 503,669.70 × 111,174.90
  4. Step 4: Simplify right side
    335,779.80x = 55,995,428,530.53
  5. Step 5: Solve for x
    x = 55,995,428,530.53/335,779.80
  6. Step 6: Final answer
    x = 166,762.35

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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.