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Finding the Fourth Proportional to 302,635.82, 416,927.04 and 210,596.87

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Solution

The fourth proportional to 302,635.82, 416,927.04 and 210,596.87 is: 290,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,635.82 : 416,927.04 = 210,596.87 : x
  2. Step 2: Convert to fraction form
    302,635.82/416,927.04 = 210,596.87/x
  3. Step 3: Cross multiply
    302,635.82x = 416,927.04 × 210,596.87
  4. Step 4: Simplify right side
    302,635.82x = 87,803,529,642.36
  5. Step 5: Solve for x
    x = 87,803,529,642.36/302,635.82
  6. Step 6: Final answer
    x = 290,129.34

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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.