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Finding the Fourth Proportional to 590,145.70, 884,052.15 and 323,428.90

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Solution

The fourth proportional to 590,145.70, 884,052.15 and 323,428.90 is: 484,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,145.70 : 884,052.15 = 323,428.90 : x
  2. Step 2: Convert to fraction form
    590,145.70/884,052.15 = 323,428.90/x
  3. Step 3: Cross multiply
    590,145.70x = 884,052.15 × 323,428.90
  4. Step 4: Simplify right side
    590,145.70x = 285,928,014,417.14
  5. Step 5: Solve for x
    x = 285,928,014,417.14/590,145.70
  6. Step 6: Final answer
    x = 484,504.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.