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Finding the Fourth Proportional to 307,335.60, 460,711.80 and 275,842.80

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Solution

The fourth proportional to 307,335.60, 460,711.80 and 275,842.80 is: 413,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,335.60 : 460,711.80 = 275,842.80 : x
  2. Step 2: Convert to fraction form
    307,335.60/460,711.80 = 275,842.80/x
  3. Step 3: Cross multiply
    307,335.60x = 460,711.80 × 275,842.80
  4. Step 4: Simplify right side
    307,335.60x = 127,084,032,905.04
  5. Step 5: Solve for x
    x = 127,084,032,905.04/307,335.60
  6. Step 6: Final answer
    x = 413,502.48

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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.