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Finding the Fourth Proportional to 383,526.39, 575,086.95 and 170,201.64

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Solution

The fourth proportional to 383,526.39, 575,086.95 and 170,201.64 is: 255,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,526.39 : 575,086.95 = 170,201.64 : x
  2. Step 2: Convert to fraction form
    383,526.39/575,086.95 = 170,201.64/x
  3. Step 3: Cross multiply
    383,526.39x = 575,086.95 × 170,201.64
  4. Step 4: Simplify right side
    383,526.39x = 97,880,742,032.60
  5. Step 5: Solve for x
    x = 97,880,742,032.60/383,526.39
  6. Step 6: Final answer
    x = 255,212.53

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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.