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Finding the Fourth Proportional to 371,654.30, 554,672.90 and 335,782.10

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Solution

The fourth proportional to 371,654.30, 554,672.90 and 335,782.10 is: 501,135.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,654.30 : 554,672.90 = 335,782.10 : x
  2. Step 2: Convert to fraction form
    371,654.30/554,672.90 = 335,782.10/x
  3. Step 3: Cross multiply
    371,654.30x = 554,672.90 × 335,782.10
  4. Step 4: Simplify right side
    371,654.30x = 186,249,231,175.09
  5. Step 5: Solve for x
    x = 186,249,231,175.09/371,654.30
  6. Step 6: Final answer
    x = 501,135.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.