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Finding the Fourth Proportional to 606,164.96, 909,509.64 and 325,354.16

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Solution

The fourth proportional to 606,164.96, 909,509.64 and 325,354.16 is: 488,171.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,164.96 : 909,509.64 = 325,354.16 : x
  2. Step 2: Convert to fraction form
    606,164.96/909,509.64 = 325,354.16/x
  3. Step 3: Cross multiply
    606,164.96x = 909,509.64 × 325,354.16
  4. Step 4: Simplify right side
    606,164.96x = 295,912,744,934.10
  5. Step 5: Solve for x
    x = 295,912,744,934.10/606,164.96
  6. Step 6: Final answer
    x = 488,171.97

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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.