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Finding the Fourth Proportional to 440,076.78, 607,307.96 and 249,127.11

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Solution

The fourth proportional to 440,076.78, 607,307.96 and 249,127.11 is: 343,796.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,076.78 : 607,307.96 = 249,127.11 : x
  2. Step 2: Convert to fraction form
    440,076.78/607,307.96 = 249,127.11/x
  3. Step 3: Cross multiply
    440,076.78x = 607,307.96 × 249,127.11
  4. Step 4: Simplify right side
    440,076.78x = 151,296,876,954.80
  5. Step 5: Solve for x
    x = 151,296,876,954.80/440,076.78
  6. Step 6: Final answer
    x = 343,796.55

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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.