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Finding the Fourth Proportional to 602,759.64, 831,809.34 and 330,829.32

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Solution

The fourth proportional to 602,759.64, 831,809.34 and 330,829.32 is: 456,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,759.64 : 831,809.34 = 330,829.32 : x
  2. Step 2: Convert to fraction form
    602,759.64/831,809.34 = 330,829.32/x
  3. Step 3: Cross multiply
    602,759.64x = 831,809.34 × 330,829.32
  4. Step 4: Simplify right side
    602,759.64x = 275,186,918,321.85
  5. Step 5: Solve for x
    x = 275,186,918,321.85/602,759.64
  6. Step 6: Final answer
    x = 456,545.03

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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.