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Finding the Fourth Proportional to 575,086.40, 862,629.60 and 575,086.40

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Solution

The fourth proportional to 575,086.40, 862,629.60 and 575,086.40 is: 862,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,086.40 : 862,629.60 = 575,086.40 : x
  2. Step 2: Convert to fraction form
    575,086.40/862,629.60 = 575,086.40/x
  3. Step 3: Cross multiply
    575,086.40x = 862,629.60 × 575,086.40
  4. Step 4: Simplify right side
    575,086.40x = 496,086,551,197.44
  5. Step 5: Solve for x
    x = 496,086,551,197.44/575,086.40
  6. Step 6: Final answer
    x = 862,629.60

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Double scale
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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.