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Finding the Fourth Proportional to 336,333.84, 503,811.45 and 269,411.64

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Solution

The fourth proportional to 336,333.84, 503,811.45 and 269,411.64 is: 403,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,333.84 : 503,811.45 = 269,411.64 : x
  2. Step 2: Convert to fraction form
    336,333.84/503,811.45 = 269,411.64/x
  3. Step 3: Cross multiply
    336,333.84x = 503,811.45 × 269,411.64
  4. Step 4: Simplify right side
    336,333.84x = 135,732,668,995.28
  5. Step 5: Solve for x
    x = 135,732,668,995.28/336,333.84
  6. Step 6: Final answer
    x = 403,565.31

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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.