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Finding the Fourth Proportional to 587,471.36, 876,313.60 and 530,777.60

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Solution

The fourth proportional to 587,471.36, 876,313.60 and 530,777.60 is: 791,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,471.36 : 876,313.60 = 530,777.60 : x
  2. Step 2: Convert to fraction form
    587,471.36/876,313.60 = 530,777.60/x
  3. Step 3: Cross multiply
    587,471.36x = 876,313.60 × 530,777.60
  4. Step 4: Simplify right side
    587,471.36x = 465,127,629,455.36
  5. Step 5: Solve for x
    x = 465,127,629,455.36/587,471.36
  6. Step 6: Final answer
    x = 791,745.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.