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Finding the Fourth Proportional to 590,241.40, 883,529.44 and 319,697.62

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Solution

The fourth proportional to 590,241.40, 883,529.44 and 319,697.62 is: 478,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,241.40 : 883,529.44 = 319,697.62 : x
  2. Step 2: Convert to fraction form
    590,241.40/883,529.44 = 319,697.62/x
  3. Step 3: Cross multiply
    590,241.40x = 883,529.44 × 319,697.62
  4. Step 4: Simplify right side
    590,241.40x = 282,462,256,159.87
  5. Step 5: Solve for x
    x = 282,462,256,159.87/590,241.40
  6. Step 6: Final answer
    x = 478,553.79

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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.