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Finding the Fourth Proportional to 617,078.04, 851,556.42 and 348,806.04

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Solution

The fourth proportional to 617,078.04, 851,556.42 and 348,806.04 is: 481,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,078.04 : 851,556.42 = 348,806.04 : x
  2. Step 2: Convert to fraction form
    617,078.04/851,556.42 = 348,806.04/x
  3. Step 3: Cross multiply
    617,078.04x = 851,556.42 × 348,806.04
  4. Step 4: Simplify right side
    617,078.04x = 297,028,022,696.78
  5. Step 5: Solve for x
    x = 297,028,022,696.78/617,078.04
  6. Step 6: Final answer
    x = 481,345.96

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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.