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Finding the Fourth Proportional to 383,466.07, 574,809.45 and 158,948.65

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Solution

The fourth proportional to 383,466.07, 574,809.45 and 158,948.65 is: 238,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,466.07 : 574,809.45 = 158,948.65 : x
  2. Step 2: Convert to fraction form
    383,466.07/574,809.45 = 158,948.65/x
  3. Step 3: Cross multiply
    383,466.07x = 574,809.45 × 158,948.65
  4. Step 4: Simplify right side
    383,466.07x = 91,365,186,084.74
  5. Step 5: Solve for x
    x = 91,365,186,084.74/383,466.07
  6. Step 6: Final answer
    x = 238,261.46

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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.