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Finding the Fourth Proportional to 602,355.02, 831,273.03 and 330,434.37

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Solution

The fourth proportional to 602,355.02, 831,273.03 and 330,434.37 is: 456,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,355.02 : 831,273.03 = 330,434.37 : x
  2. Step 2: Convert to fraction form
    602,355.02/831,273.03 = 330,434.37/x
  3. Step 3: Cross multiply
    602,355.02x = 831,273.03 × 330,434.37
  4. Step 4: Simplify right side
    602,355.02x = 274,681,179,966.04
  5. Step 5: Solve for x
    x = 274,681,179,966.04/602,355.02
  6. Step 6: Final answer
    x = 456,012.11

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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.