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Finding the Fourth Proportional to 440,647.58, 608,092.08 and 249,697.46

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Solution

The fourth proportional to 440,647.58, 608,092.08 and 249,697.46 is: 344,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,647.58 : 608,092.08 = 249,697.46 : x
  2. Step 2: Convert to fraction form
    440,647.58/608,092.08 = 249,697.46/x
  3. Step 3: Cross multiply
    440,647.58x = 608,092.08 × 249,697.46
  4. Step 4: Simplify right side
    440,647.58x = 151,839,047,822.12
  5. Step 5: Solve for x
    x = 151,839,047,822.12/440,647.58
  6. Step 6: Final answer
    x = 344,581.60

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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.