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Finding the Fourth Proportional to 556,245.60, 834,368.40 and 550,340.70

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Solution

The fourth proportional to 556,245.60, 834,368.40 and 550,340.70 is: 825,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,245.60 : 834,368.40 = 550,340.70 : x
  2. Step 2: Convert to fraction form
    556,245.60/834,368.40 = 550,340.70/x
  3. Step 3: Cross multiply
    556,245.60x = 834,368.40 × 550,340.70
  4. Step 4: Simplify right side
    556,245.60x = 459,186,889,313.88
  5. Step 5: Solve for x
    x = 459,186,889,313.88/556,245.60
  6. Step 6: Final answer
    x = 825,511.05

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Similar ratio
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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.