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Finding the Fourth Proportional to 383,527.69, 575,374.59 and 146,870.39

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Solution

The fourth proportional to 383,527.69, 575,374.59 and 146,870.39 is: 220,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,527.69 : 575,374.59 = 146,870.39 : x
  2. Step 2: Convert to fraction form
    383,527.69/575,374.59 = 146,870.39/x
  3. Step 3: Cross multiply
    383,527.69x = 575,374.59 × 146,870.39
  4. Step 4: Simplify right side
    383,527.69x = 84,505,491,867.83
  5. Step 5: Solve for x
    x = 84,505,491,867.83/383,527.69
  6. Step 6: Final answer
    x = 220,337.40

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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.