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Finding the Fourth Proportional to 341,192.88, 470,347.74 and 238,896

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Solution

The fourth proportional to 341,192.88, 470,347.74 and 238,896 is: 329,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,192.88 : 470,347.74 = 238,896 : x
  2. Step 2: Convert to fraction form
    341,192.88/470,347.74 = 238,896/x
  3. Step 3: Cross multiply
    341,192.88x = 470,347.74 × 238,896
  4. Step 4: Simplify right side
    341,192.88x = 112,364,193,695.04
  5. Step 5: Solve for x
    x = 112,364,193,695.04/341,192.88
  6. Step 6: Final answer
    x = 329,327.49

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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.