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Finding the Fourth Proportional to 336,892.74, 464,699.61 and 215,908.98

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Solution

The fourth proportional to 336,892.74, 464,699.61 and 215,908.98 is: 297,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,892.74 : 464,699.61 = 215,908.98 : x
  2. Step 2: Convert to fraction form
    336,892.74/464,699.61 = 215,908.98/x
  3. Step 3: Cross multiply
    336,892.74x = 464,699.61 × 215,908.98
  4. Step 4: Simplify right side
    336,892.74x = 100,332,818,801.50
  5. Step 5: Solve for x
    x = 100,332,818,801.50/336,892.74
  6. Step 6: Final answer
    x = 297,818.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.