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Finding the Fourth Proportional to 590,858.81, 815,374.73 and 336,204.53

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Solution

The fourth proportional to 590,858.81, 815,374.73 and 336,204.53 is: 463,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,858.81 : 815,374.73 = 336,204.53 : x
  2. Step 2: Convert to fraction form
    590,858.81/815,374.73 = 336,204.53/x
  3. Step 3: Cross multiply
    590,858.81x = 815,374.73 × 336,204.53
  4. Step 4: Simplify right side
    590,858.81x = 274,132,676,192.50
  5. Step 5: Solve for x
    x = 274,132,676,192.50/590,858.81
  6. Step 6: Final answer
    x = 463,956.32

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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.