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Finding the Fourth Proportional to 205,308.40, 307,962.60 and 183,535.60

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Solution

The fourth proportional to 205,308.40, 307,962.60 and 183,535.60 is: 275,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,308.40 : 307,962.60 = 183,535.60 : x
  2. Step 2: Convert to fraction form
    205,308.40/307,962.60 = 183,535.60/x
  3. Step 3: Cross multiply
    205,308.40x = 307,962.60 × 183,535.60
  4. Step 4: Simplify right side
    205,308.40x = 56,522,100,568.56
  5. Step 5: Solve for x
    x = 56,522,100,568.56/205,308.40
  6. Step 6: Final answer
    x = 275,303.40

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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.