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Finding the Fourth Proportional to 516,259.60, 774,214.74 and 196,335.46

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Solution

The fourth proportional to 516,259.60, 774,214.74 and 196,335.46 is: 294,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,259.60 : 774,214.74 = 196,335.46 : x
  2. Step 2: Convert to fraction form
    516,259.60/774,214.74 = 196,335.46/x
  3. Step 3: Cross multiply
    516,259.60x = 774,214.74 × 196,335.46
  4. Step 4: Simplify right side
    516,259.60x = 152,005,807,116.68
  5. Step 5: Solve for x
    x = 152,005,807,116.68/516,259.60
  6. Step 6: Final answer
    x = 294,436.77

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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.