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Finding the Fourth Proportional to 367,470.42, 506,059.20 and 330,860.04

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Solution

The fourth proportional to 367,470.42, 506,059.20 and 330,860.04 is: 455,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,470.42 : 506,059.20 = 330,860.04 : x
  2. Step 2: Convert to fraction form
    367,470.42/506,059.20 = 330,860.04/x
  3. Step 3: Cross multiply
    367,470.42x = 506,059.20 × 330,860.04
  4. Step 4: Simplify right side
    367,470.42x = 167,434,767,154.37
  5. Step 5: Solve for x
    x = 167,434,767,154.37/367,470.42
  6. Step 6: Final answer
    x = 455,641.48

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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.