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Finding the Fourth Proportional to 893,655.10, 1,340,677.05 and 294,514.30

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Solution

The fourth proportional to 893,655.10, 1,340,677.05 and 294,514.30 is: 441,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,655.10 : 1,340,677.05 = 294,514.30 : x
  2. Step 2: Convert to fraction form
    893,655.10/1,340,677.05 = 294,514.30/x
  3. Step 3: Cross multiply
    893,655.10x = 1,340,677.05 × 294,514.30
  4. Step 4: Simplify right side
    893,655.10x = 394,848,562,906.82
  5. Step 5: Solve for x
    x = 394,848,562,906.82/893,655.10
  6. Step 6: Final answer
    x = 441,835.52

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Double scale
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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.