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Finding the Fourth Proportional to 602,611.02, 831,575.07 and 330,672.06

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Solution

The fourth proportional to 602,611.02, 831,575.07 and 330,672.06 is: 456,312.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,611.02 : 831,575.07 = 330,672.06 : x
  2. Step 2: Convert to fraction form
    602,611.02/831,575.07 = 330,672.06/x
  3. Step 3: Cross multiply
    602,611.02x = 831,575.07 × 330,672.06
  4. Step 4: Simplify right side
    602,611.02x = 274,978,641,441.54
  5. Step 5: Solve for x
    x = 274,978,641,441.54/602,611.02
  6. Step 6: Final answer
    x = 456,312.00

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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.