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Finding the Fourth Proportional to 556,080.45, 834,155.96 and 196,206.45

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Solution

The fourth proportional to 556,080.45, 834,155.96 and 196,206.45 is: 294,322.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,080.45 : 834,155.96 = 196,206.45 : x
  2. Step 2: Convert to fraction form
    556,080.45/834,155.96 = 196,206.45/x
  3. Step 3: Cross multiply
    556,080.45x = 834,155.96 × 196,206.45
  4. Step 4: Simplify right side
    556,080.45x = 163,666,778,676.91
  5. Step 5: Solve for x
    x = 163,666,778,676.91/556,080.45
  6. Step 6: Final answer
    x = 294,322.12

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1.5x scale

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.