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Finding the Fourth Proportional to 448,478.37, 672,719.99 and 116,054.37

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Solution

The fourth proportional to 448,478.37, 672,719.99 and 116,054.37 is: 174,082.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,478.37 : 672,719.99 = 116,054.37 : x
  2. Step 2: Convert to fraction form
    448,478.37/672,719.99 = 116,054.37/x
  3. Step 3: Cross multiply
    448,478.37x = 672,719.99 × 116,054.37
  4. Step 4: Simplify right side
    448,478.37x = 78,072,094,045.58
  5. Step 5: Solve for x
    x = 78,072,094,045.58/448,478.37
  6. Step 6: Final answer
    x = 174,082.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.