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Finding the Fourth Proportional to 325,070, 448,597.68 and 181,820.84

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Solution

The fourth proportional to 325,070, 448,597.68 and 181,820.84 is: 250,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,070 : 448,597.68 = 181,820.84 : x
  2. Step 2: Convert to fraction form
    325,070/448,597.68 = 181,820.84/x
  3. Step 3: Cross multiply
    325,070x = 448,597.68 × 181,820.84
  4. Step 4: Simplify right side
    325,070x = 81,564,406,999.65
  5. Step 5: Solve for x
    x = 81,564,406,999.65/325,070
  6. Step 6: Final answer
    x = 250,913.36

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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.