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Finding the Fourth Proportional to 325,095.58, 448,722.06 and 189,155.78

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Solution

The fourth proportional to 325,095.58, 448,722.06 and 189,155.78 is: 261,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,095.58 : 448,722.06 = 189,155.78 : x
  2. Step 2: Convert to fraction form
    325,095.58/448,722.06 = 189,155.78/x
  3. Step 3: Cross multiply
    325,095.58x = 448,722.06 × 189,155.78
  4. Step 4: Simplify right side
    325,095.58x = 84,878,371,262.51
  5. Step 5: Solve for x
    x = 84,878,371,262.51/325,095.58
  6. Step 6: Final answer
    x = 261,087.44

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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.