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Finding the Fourth Proportional to 342,567.04, 472,743.44 and 189,615.76

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Solution

The fourth proportional to 342,567.04, 472,743.44 and 189,615.76 is: 261,670.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,567.04 : 472,743.44 = 189,615.76 : x
  2. Step 2: Convert to fraction form
    342,567.04/472,743.44 = 189,615.76/x
  3. Step 3: Cross multiply
    342,567.04x = 472,743.44 × 189,615.76
  4. Step 4: Simplify right side
    342,567.04x = 89,639,606,660.61
  5. Step 5: Solve for x
    x = 89,639,606,660.61/342,567.04
  6. Step 6: Final answer
    x = 261,670.26

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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.