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Finding the Fourth Proportional to 633,133.89, 873,719.01 and 342,744.03

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Solution

The fourth proportional to 633,133.89, 873,719.01 and 342,744.03 is: 472,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,133.89 : 873,719.01 = 342,744.03 : x
  2. Step 2: Convert to fraction form
    633,133.89/873,719.01 = 342,744.03/x
  3. Step 3: Cross multiply
    633,133.89x = 873,719.01 × 342,744.03
  4. Step 4: Simplify right side
    633,133.89x = 299,461,974,575.01
  5. Step 5: Solve for x
    x = 299,461,974,575.01/633,133.89
  6. Step 6: Final answer
    x = 472,983.64

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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.