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Finding the Fourth Proportional to 383,301.55, 575,032.56 and 130,562.11

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Solution

The fourth proportional to 383,301.55, 575,032.56 and 130,562.11 is: 195,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,301.55 : 575,032.56 = 130,562.11 : x
  2. Step 2: Convert to fraction form
    383,301.55/575,032.56 = 130,562.11/x
  3. Step 3: Cross multiply
    383,301.55x = 575,032.56 × 130,562.11
  4. Step 4: Simplify right side
    383,301.55x = 75,077,464,352.30
  5. Step 5: Solve for x
    x = 75,077,464,352.30/383,301.55
  6. Step 6: Final answer
    x = 195,870.50

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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.