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Finding the Fourth Proportional to 522,662.75, 721,528.02 and 350,518.01

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Solution

The fourth proportional to 522,662.75, 721,528.02 and 350,518.01 is: 483,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,662.75 : 721,528.02 = 350,518.01 : x
  2. Step 2: Convert to fraction form
    522,662.75/721,528.02 = 350,518.01/x
  3. Step 3: Cross multiply
    522,662.75x = 721,528.02 × 350,518.01
  4. Step 4: Simplify right side
    522,662.75x = 252,908,562,122.00
  5. Step 5: Solve for x
    x = 252,908,562,122.00/522,662.75
  6. Step 6: Final answer
    x = 483,884.80

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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.