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Finding the Fourth Proportional to 698,825.04, 964,506.56 and 457,321.92

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Solution

The fourth proportional to 698,825.04, 964,506.56 and 457,321.92 is: 631,188.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,825.04 : 964,506.56 = 457,321.92 : x
  2. Step 2: Convert to fraction form
    698,825.04/964,506.56 = 457,321.92/x
  3. Step 3: Cross multiply
    698,825.04x = 964,506.56 × 457,321.92
  4. Step 4: Simplify right side
    698,825.04x = 441,089,991,871.80
  5. Step 5: Solve for x
    x = 441,089,991,871.80/698,825.04
  6. Step 6: Final answer
    x = 631,188.02

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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.