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Finding the Fourth Proportional to 468,525.40, 646,557.22 and 253,663.72

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Solution

The fourth proportional to 468,525.40, 646,557.22 and 253,663.72 is: 350,051.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,525.40 : 646,557.22 = 253,663.72 : x
  2. Step 2: Convert to fraction form
    468,525.40/646,557.22 = 253,663.72/x
  3. Step 3: Cross multiply
    468,525.40x = 646,557.22 × 253,663.72
  4. Step 4: Simplify right side
    468,525.40x = 164,008,109,618.06
  5. Step 5: Solve for x
    x = 164,008,109,618.06/468,525.40
  6. Step 6: Final answer
    x = 350,051.69

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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.