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Finding the Fourth Proportional to 522,663.75, 721,529.40 and 350,519.01

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Solution

The fourth proportional to 522,663.75, 721,529.40 and 350,519.01 is: 483,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,663.75 : 721,529.40 = 350,519.01 : x
  2. Step 2: Convert to fraction form
    522,663.75/721,529.40 = 350,519.01/x
  3. Step 3: Cross multiply
    522,663.75x = 721,529.40 × 350,519.01
  4. Step 4: Simplify right side
    522,663.75x = 252,909,770,973.89
  5. Step 5: Solve for x
    x = 252,909,770,973.89/522,663.75
  6. Step 6: Final answer
    x = 483,886.19

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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.