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Finding the Fourth Proportional to 606,980.10, 851,016.30 and 606,980.10

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Solution

The fourth proportional to 606,980.10, 851,016.30 and 606,980.10 is: 851,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,980.10 : 851,016.30 = 606,980.10 : x
  2. Step 2: Convert to fraction form
    606,980.10/851,016.30 = 606,980.10/x
  3. Step 3: Cross multiply
    606,980.10x = 851,016.30 × 606,980.10
  4. Step 4: Simplify right side
    606,980.10x = 516,549,958,875.63
  5. Step 5: Solve for x
    x = 516,549,958,875.63/606,980.10
  6. Step 6: Final answer
    x = 851,016.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.