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Finding the Fourth Proportional to 590,147.70, 884,055.15 and 323,430.90

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Solution

The fourth proportional to 590,147.70, 884,055.15 and 323,430.90 is: 484,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,147.70 : 884,055.15 = 323,430.90 : x
  2. Step 2: Convert to fraction form
    590,147.70/884,055.15 = 323,430.90/x
  3. Step 3: Cross multiply
    590,147.70x = 884,055.15 × 323,430.90
  4. Step 4: Simplify right side
    590,147.70x = 285,930,752,814.14
  5. Step 5: Solve for x
    x = 285,930,752,814.14/590,147.70
  6. Step 6: Final answer
    x = 484,507.10

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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.