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Finding the Fourth Proportional to 305,865.55, 457,923.52 and 305,865.55

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Solution

The fourth proportional to 305,865.55, 457,923.52 and 305,865.55 is: 457,923.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,865.55 : 457,923.52 = 305,865.55 : x
  2. Step 2: Convert to fraction form
    305,865.55/457,923.52 = 305,865.55/x
  3. Step 3: Cross multiply
    305,865.55x = 457,923.52 × 305,865.55
  4. Step 4: Simplify right side
    305,865.55x = 140,063,029,302.74
  5. Step 5: Solve for x
    x = 140,063,029,302.74/305,865.55
  6. Step 6: Final answer
    x = 457,923.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.