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Finding the Fourth Proportional to 288,883.70, 433,090.80 and 120,529.52

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Solution

The fourth proportional to 288,883.70, 433,090.80 and 120,529.52 is: 180,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,883.70 : 433,090.80 = 120,529.52 : x
  2. Step 2: Convert to fraction form
    288,883.70/433,090.80 = 120,529.52/x
  3. Step 3: Cross multiply
    288,883.70x = 433,090.80 × 120,529.52
  4. Step 4: Simplify right side
    288,883.70x = 52,200,226,240.42
  5. Step 5: Solve for x
    x = 52,200,226,240.42/288,883.70
  6. Step 6: Final answer
    x = 180,696.34

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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.