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Finding the Fourth Proportional to 556,015.40, 834,023.10 and 366,730.55

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Solution

The fourth proportional to 556,015.40, 834,023.10 and 366,730.55 is: 550,095.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,015.40 : 834,023.10 = 366,730.55 : x
  2. Step 2: Convert to fraction form
    556,015.40/834,023.10 = 366,730.55/x
  3. Step 3: Cross multiply
    556,015.40x = 834,023.10 × 366,730.55
  4. Step 4: Simplify right side
    556,015.40x = 305,861,750,175.71
  5. Step 5: Solve for x
    x = 305,861,750,175.71/556,015.40
  6. Step 6: Final answer
    x = 550,095.83

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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.