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Finding the Fourth Proportional to 383,313.60, 574,970.40 and 173,361.60

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Solution

The fourth proportional to 383,313.60, 574,970.40 and 173,361.60 is: 260,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,313.60 : 574,970.40 = 173,361.60 : x
  2. Step 2: Convert to fraction form
    383,313.60/574,970.40 = 173,361.60/x
  3. Step 3: Cross multiply
    383,313.60x = 574,970.40 × 173,361.60
  4. Step 4: Simplify right side
    383,313.60x = 99,677,788,496.64
  5. Step 5: Solve for x
    x = 99,677,788,496.64/383,313.60
  6. Step 6: Final answer
    x = 260,042.40

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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.