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Finding the Fourth Proportional to 433,232.64, 649,635.84 and 152,709.12

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Solution

The fourth proportional to 433,232.64, 649,635.84 and 152,709.12 is: 228,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,232.64 : 649,635.84 = 152,709.12 : x
  2. Step 2: Convert to fraction form
    433,232.64/649,635.84 = 152,709.12/x
  3. Step 3: Cross multiply
    433,232.64x = 649,635.84 × 152,709.12
  4. Step 4: Simplify right side
    433,232.64x = 99,205,317,446.86
  5. Step 5: Solve for x
    x = 99,205,317,446.86/433,232.64
  6. Step 6: Final answer
    x = 228,988.56

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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.