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Finding the Fourth Proportional to 633,146.48, 873,735.47 and 342,751.52

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Solution

The fourth proportional to 633,146.48, 873,735.47 and 342,751.52 is: 472,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,146.48 : 873,735.47 = 342,751.52 : x
  2. Step 2: Convert to fraction form
    633,146.48/873,735.47 = 342,751.52/x
  3. Step 3: Cross multiply
    633,146.48x = 873,735.47 × 342,751.52
  4. Step 4: Simplify right side
    633,146.48x = 299,474,154,337.98
  5. Step 5: Solve for x
    x = 299,474,154,337.98/633,146.48
  6. Step 6: Final answer
    x = 472,993.48

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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.