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Finding the Fourth Proportional to 332,286.30, 498,429.45 and 308,666.70

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Solution

The fourth proportional to 332,286.30, 498,429.45 and 308,666.70 is: 463,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,286.30 : 498,429.45 = 308,666.70 : x
  2. Step 2: Convert to fraction form
    332,286.30/498,429.45 = 308,666.70/x
  3. Step 3: Cross multiply
    332,286.30x = 498,429.45 × 308,666.70
  4. Step 4: Simplify right side
    332,286.30x = 153,848,573,514.32
  5. Step 5: Solve for x
    x = 153,848,573,514.32/332,286.30
  6. Step 6: Final answer
    x = 463,000.05

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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.