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Finding the Fourth Proportional to 556,305.60, 834,458.40 and 550,400.70

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Solution

The fourth proportional to 556,305.60, 834,458.40 and 550,400.70 is: 825,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,305.60 : 834,458.40 = 550,400.70 : x
  2. Step 2: Convert to fraction form
    556,305.60/834,458.40 = 550,400.70/x
  3. Step 3: Cross multiply
    556,305.60x = 834,458.40 × 550,400.70
  4. Step 4: Simplify right side
    556,305.60x = 459,286,487,480.88
  5. Step 5: Solve for x
    x = 459,286,487,480.88/556,305.60
  6. Step 6: Final answer
    x = 825,601.05

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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.