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Finding the Fourth Proportional to 302,863.32, 417,936.42 and 175,580.28

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Solution

The fourth proportional to 302,863.32, 417,936.42 and 175,580.28 is: 242,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,863.32 : 417,936.42 = 175,580.28 : x
  2. Step 2: Convert to fraction form
    302,863.32/417,936.42 = 175,580.28/x
  3. Step 3: Cross multiply
    302,863.32x = 417,936.42 × 175,580.28
  4. Step 4: Simplify right side
    302,863.32x = 73,381,393,645.80
  5. Step 5: Solve for x
    x = 73,381,393,645.80/302,863.32
  6. Step 6: Final answer
    x = 242,292.11

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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.