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Finding the Fourth Proportional to 626,557.92, 864,650.92 and 340,078.14

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Solution

The fourth proportional to 626,557.92, 864,650.92 and 340,078.14 is: 469,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,557.92 : 864,650.92 = 340,078.14 : x
  2. Step 2: Convert to fraction form
    626,557.92/864,650.92 = 340,078.14/x
  3. Step 3: Cross multiply
    626,557.92x = 864,650.92 × 340,078.14
  4. Step 4: Simplify right side
    626,557.92x = 294,048,876,622.89
  5. Step 5: Solve for x
    x = 294,048,876,622.89/626,557.92
  6. Step 6: Final answer
    x = 469,308.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.