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Finding the Fourth Proportional to 581,025.60, 871,365.60 and 225,835.20

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Solution

The fourth proportional to 581,025.60, 871,365.60 and 225,835.20 is: 338,685.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,025.60 : 871,365.60 = 225,835.20 : x
  2. Step 2: Convert to fraction form
    581,025.60/871,365.60 = 225,835.20/x
  3. Step 3: Cross multiply
    581,025.60x = 871,365.60 × 225,835.20
  4. Step 4: Simplify right side
    581,025.60x = 196,785,024,549.12
  5. Step 5: Solve for x
    x = 196,785,024,549.12/581,025.60
  6. Step 6: Final answer
    x = 338,685.64

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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.