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Finding the Fourth Proportional to 367,470.94, 506,059.86 and 330,860.56

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Solution

The fourth proportional to 367,470.94, 506,059.86 and 330,860.56 is: 455,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,470.94 : 506,059.86 = 330,860.56 : x
  2. Step 2: Convert to fraction form
    367,470.94/506,059.86 = 330,860.56/x
  3. Step 3: Cross multiply
    367,470.94x = 506,059.86 × 330,860.56
  4. Step 4: Simplify right side
    367,470.94x = 167,435,248,673.12
  5. Step 5: Solve for x
    x = 167,435,248,673.12/367,470.94
  6. Step 6: Final answer
    x = 455,642.15

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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.