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Finding the Fourth Proportional to 328,453.20, 492,752.70 and 150,917.40

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Solution

The fourth proportional to 328,453.20, 492,752.70 and 150,917.40 is: 226,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,453.20 : 492,752.70 = 150,917.40 : x
  2. Step 2: Convert to fraction form
    328,453.20/492,752.70 = 150,917.40/x
  3. Step 3: Cross multiply
    328,453.20x = 492,752.70 × 150,917.40
  4. Step 4: Simplify right side
    328,453.20x = 74,364,956,326.98
  5. Step 5: Solve for x
    x = 74,364,956,326.98/328,453.20
  6. Step 6: Final answer
    x = 226,409.60

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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.