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Finding the Fourth Proportional to 460,955.58, 635,892.55 and 308,031.31

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Solution

The fourth proportional to 460,955.58, 635,892.55 and 308,031.31 is: 424,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,955.58 : 635,892.55 = 308,031.31 : x
  2. Step 2: Convert to fraction form
    460,955.58/635,892.55 = 308,031.31/x
  3. Step 3: Cross multiply
    460,955.58x = 635,892.55 × 308,031.31
  4. Step 4: Simplify right side
    460,955.58x = 195,874,815,195.74
  5. Step 5: Solve for x
    x = 195,874,815,195.74/460,955.58
  6. Step 6: Final answer
    x = 424,932.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.