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Finding the Fourth Proportional to 383,283.58, 574,927.60 and 98,954.72

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Solution

The fourth proportional to 383,283.58, 574,927.60 and 98,954.72 is: 148,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,283.58 : 574,927.60 = 98,954.72 : x
  2. Step 2: Convert to fraction form
    383,283.58/574,927.60 = 98,954.72/x
  3. Step 3: Cross multiply
    383,283.58x = 574,927.60 × 98,954.72
  4. Step 4: Simplify right side
    383,283.58x = 56,891,799,678.27
  5. Step 5: Solve for x
    x = 56,891,799,678.27/383,283.58
  6. Step 6: Final answer
    x = 148,432.66

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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.