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Finding the Fourth Proportional to 605,086.60, 907,629.90 and 565,720.60

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Solution

The fourth proportional to 605,086.60, 907,629.90 and 565,720.60 is: 848,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,086.60 : 907,629.90 = 565,720.60 : x
  2. Step 2: Convert to fraction form
    605,086.60/907,629.90 = 565,720.60/x
  3. Step 3: Cross multiply
    605,086.60x = 907,629.90 × 565,720.60
  4. Step 4: Simplify right side
    605,086.60x = 513,464,931,605.94
  5. Step 5: Solve for x
    x = 513,464,931,605.94/605,086.60
  6. Step 6: Final answer
    x = 848,580.90

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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.