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Finding the Fourth Proportional to 438,842.03, 605,598.53 and 237,638.03

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Solution

The fourth proportional to 438,842.03, 605,598.53 and 237,638.03 is: 327,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,842.03 : 605,598.53 = 237,638.03 : x
  2. Step 2: Convert to fraction form
    438,842.03/605,598.53 = 237,638.03/x
  3. Step 3: Cross multiply
    438,842.03x = 605,598.53 × 237,638.03
  4. Step 4: Simplify right side
    438,842.03x = 143,913,237,423.91
  5. Step 5: Solve for x
    x = 143,913,237,423.91/438,842.03
  6. Step 6: Final answer
    x = 327,938.60

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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.