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Finding the Fourth Proportional to 556,322.56, 834,265.48 and 196,416.64

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Solution

The fourth proportional to 556,322.56, 834,265.48 and 196,416.64 is: 294,547.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,322.56 : 834,265.48 = 196,416.64 : x
  2. Step 2: Convert to fraction form
    556,322.56/834,265.48 = 196,416.64/x
  3. Step 3: Cross multiply
    556,322.56x = 834,265.48 × 196,416.64
  4. Step 4: Simplify right side
    556,322.56x = 163,863,622,449.59
  5. Step 5: Solve for x
    x = 163,863,622,449.59/556,322.56
  6. Step 6: Final answer
    x = 294,547.87

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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.