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Finding the Fourth Proportional to 383,254.60, 574,881.90 and 146,475.40

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Solution

The fourth proportional to 383,254.60, 574,881.90 and 146,475.40 is: 219,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,254.60 : 574,881.90 = 146,475.40 : x
  2. Step 2: Convert to fraction form
    383,254.60/574,881.90 = 146,475.40/x
  3. Step 3: Cross multiply
    383,254.60x = 574,881.90 × 146,475.40
  4. Step 4: Simplify right side
    383,254.60x = 84,206,056,255.26
  5. Step 5: Solve for x
    x = 84,206,056,255.26/383,254.60
  6. Step 6: Final answer
    x = 219,713.10

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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.