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Finding the Fourth Proportional to 341,018.32, 470,602.42 and 188,062.88

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Solution

The fourth proportional to 341,018.32, 470,602.42 and 188,062.88 is: 259,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,018.32 : 470,602.42 = 188,062.88 : x
  2. Step 2: Convert to fraction form
    341,018.32/470,602.42 = 188,062.88/x
  3. Step 3: Cross multiply
    341,018.32x = 470,602.42 × 188,062.88
  4. Step 4: Simplify right side
    341,018.32x = 88,502,847,321.99
  5. Step 5: Solve for x
    x = 88,502,847,321.99/341,018.32
  6. Step 6: Final answer
    x = 259,525.20

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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.