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Finding the Fourth Proportional to 376,323.67, 518,609.52 and 369,406.37

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Solution

The fourth proportional to 376,323.67, 518,609.52 and 369,406.37 is: 509,076.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,323.67 : 518,609.52 = 369,406.37 : x
  2. Step 2: Convert to fraction form
    376,323.67/518,609.52 = 369,406.37/x
  3. Step 3: Cross multiply
    376,323.67x = 518,609.52 × 369,406.37
  4. Step 4: Simplify right side
    376,323.67x = 191,577,661,527.17
  5. Step 5: Solve for x
    x = 191,577,661,527.17/376,323.67
  6. Step 6: Final answer
    x = 509,076.83

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1.5x scale

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.