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Finding the Fourth Proportional to 382,801.20, 574,324.20 and 116,612.40

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Solution

The fourth proportional to 382,801.20, 574,324.20 and 116,612.40 is: 174,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,801.20 : 574,324.20 = 116,612.40 : x
  2. Step 2: Convert to fraction form
    382,801.20/574,324.20 = 116,612.40/x
  3. Step 3: Cross multiply
    382,801.20x = 574,324.20 × 116,612.40
  4. Step 4: Simplify right side
    382,801.20x = 66,973,323,340.08
  5. Step 5: Solve for x
    x = 66,973,323,340.08/382,801.20
  6. Step 6: Final answer
    x = 174,955.89

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1.5x scale

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.