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Finding the Fourth Proportional to 288,999.01, 433,535.44 and 111,556.77

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Solution

The fourth proportional to 288,999.01, 433,535.44 and 111,556.77 is: 167,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,999.01 : 433,535.44 = 111,556.77 : x
  2. Step 2: Convert to fraction form
    288,999.01/433,535.44 = 111,556.77/x
  3. Step 3: Cross multiply
    288,999.01x = 433,535.44 × 111,556.77
  4. Step 4: Simplify right side
    288,999.01x = 48,363,813,366.93
  5. Step 5: Solve for x
    x = 48,363,813,366.93/288,999.01
  6. Step 6: Final answer
    x = 167,349.41

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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.