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Finding the Fourth Proportional to 516,374.60, 774,008.06 and 249,768.36

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Solution

The fourth proportional to 516,374.60, 774,008.06 and 249,768.36 is: 374,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,374.60 : 774,008.06 = 249,768.36 : x
  2. Step 2: Convert to fraction form
    516,374.60/774,008.06 = 249,768.36/x
  3. Step 3: Cross multiply
    516,374.60x = 774,008.06 × 249,768.36
  4. Step 4: Simplify right side
    516,374.60x = 193,322,722,524.14
  5. Step 5: Solve for x
    x = 193,322,722,524.14/516,374.60
  6. Step 6: Final answer
    x = 374,384.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.