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Finding the Fourth Proportional to 383,361.60, 575,042.40 and 173,409.60

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Solution

The fourth proportional to 383,361.60, 575,042.40 and 173,409.60 is: 260,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,361.60 : 575,042.40 = 173,409.60 : x
  2. Step 2: Convert to fraction form
    383,361.60/575,042.40 = 173,409.60/x
  3. Step 3: Cross multiply
    383,361.60x = 575,042.40 × 173,409.60
  4. Step 4: Simplify right side
    383,361.60x = 99,717,872,567.04
  5. Step 5: Solve for x
    x = 99,717,872,567.04/383,361.60
  6. Step 6: Final answer
    x = 260,114.40

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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.