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Finding the Fourth Proportional to 593,283.93, 818,505.90 and 438,606.60

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Solution

The fourth proportional to 593,283.93, 818,505.90 and 438,606.60 is: 605,110.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,283.93 : 818,505.90 = 438,606.60 : x
  2. Step 2: Convert to fraction form
    593,283.93/818,505.90 = 438,606.60/x
  3. Step 3: Cross multiply
    593,283.93x = 818,505.90 × 438,606.60
  4. Step 4: Simplify right side
    593,283.93x = 359,002,089,878.94
  5. Step 5: Solve for x
    x = 359,002,089,878.94/593,283.93
  6. Step 6: Final answer
    x = 605,110.09

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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.