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Finding the Fourth Proportional to 383,574.02, 575,340.31 and 117,334.56

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Solution

The fourth proportional to 383,574.02, 575,340.31 and 117,334.56 is: 175,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,574.02 : 575,340.31 = 117,334.56 : x
  2. Step 2: Convert to fraction form
    383,574.02/575,340.31 = 117,334.56/x
  3. Step 3: Cross multiply
    383,574.02x = 575,340.31 × 117,334.56
  4. Step 4: Simplify right side
    383,574.02x = 67,507,302,124.11
  5. Step 5: Solve for x
    x = 67,507,302,124.11/383,574.02
  6. Step 6: Final answer
    x = 175,995.50

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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.