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Finding the Fourth Proportional to 301,662.04, 416,487 and 269,340.88

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Solution

The fourth proportional to 301,662.04, 416,487 and 269,340.88 is: 371,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,662.04 : 416,487 = 269,340.88 : x
  2. Step 2: Convert to fraction form
    301,662.04/416,487 = 269,340.88/x
  3. Step 3: Cross multiply
    301,662.04x = 416,487 × 269,340.88
  4. Step 4: Simplify right side
    301,662.04x = 112,176,975,088.56
  5. Step 5: Solve for x
    x = 112,176,975,088.56/301,662.04
  6. Step 6: Final answer
    x = 371,863.08

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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.