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Finding the Fourth Proportional to 893,659.10, 1,340,683.05 and 294,518.30

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Solution

The fourth proportional to 893,659.10, 1,340,683.05 and 294,518.30 is: 441,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,659.10 : 1,340,683.05 = 294,518.30 : x
  2. Step 2: Convert to fraction form
    893,659.10/1,340,683.05 = 294,518.30/x
  3. Step 3: Cross multiply
    893,659.10x = 1,340,683.05 × 294,518.30
  4. Step 4: Simplify right side
    893,659.10x = 394,855,692,724.82
  5. Step 5: Solve for x
    x = 394,855,692,724.82/893,659.10
  6. Step 6: Final answer
    x = 441,841.52

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Double scale
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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.