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Finding the Fourth Proportional to 346,048, 477,546.88 and 187,072

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Solution

The fourth proportional to 346,048, 477,546.88 and 187,072 is: 258,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,048 : 477,546.88 = 187,072 : x
  2. Step 2: Convert to fraction form
    346,048/477,546.88 = 187,072/x
  3. Step 3: Cross multiply
    346,048x = 477,546.88 × 187,072
  4. Step 4: Simplify right side
    346,048x = 89,335,649,935.36
  5. Step 5: Solve for x
    x = 89,335,649,935.36/346,048
  6. Step 6: Final answer
    x = 258,159.71

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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.