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Finding the Fourth Proportional to 334,416.60, 501,624.90 and 308,828.70

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Solution

The fourth proportional to 334,416.60, 501,624.90 and 308,828.70 is: 463,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,416.60 : 501,624.90 = 308,828.70 : x
  2. Step 2: Convert to fraction form
    334,416.60/501,624.90 = 308,828.70/x
  3. Step 3: Cross multiply
    334,416.60x = 501,624.90 × 308,828.70
  4. Step 4: Simplify right side
    334,416.60x = 154,916,165,754.63
  5. Step 5: Solve for x
    x = 154,916,165,754.63/334,416.60
  6. Step 6: Final answer
    x = 463,243.05

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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.