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Finding the Fourth Proportional to 376,708.74, 519,994.56 and 249,425.34

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Solution

The fourth proportional to 376,708.74, 519,994.56 and 249,425.34 is: 344,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,708.74 : 519,994.56 = 249,425.34 : x
  2. Step 2: Convert to fraction form
    376,708.74/519,994.56 = 249,425.34/x
  3. Step 3: Cross multiply
    376,708.74x = 519,994.56 × 249,425.34
  4. Step 4: Simplify right side
    376,708.74x = 129,699,819,926.15
  5. Step 5: Solve for x
    x = 129,699,819,926.15/376,708.74
  6. Step 6: Final answer
    x = 344,297.35

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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.