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Finding the Fourth Proportional to 336,109.80, 504,164.70 and 308,116.20

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Solution

The fourth proportional to 336,109.80, 504,164.70 and 308,116.20 is: 462,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,109.80 : 504,164.70 = 308,116.20 : x
  2. Step 2: Convert to fraction form
    336,109.80/504,164.70 = 308,116.20/x
  3. Step 3: Cross multiply
    336,109.80x = 504,164.70 × 308,116.20
  4. Step 4: Simplify right side
    336,109.80x = 155,341,311,538.14
  5. Step 5: Solve for x
    x = 155,341,311,538.14/336,109.80
  6. Step 6: Final answer
    x = 462,174.30

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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.