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Finding the Fourth Proportional to 581,030.80, 871,855.80 and 226,056.40

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Solution

The fourth proportional to 581,030.80, 871,855.80 and 226,056.40 is: 339,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,030.80 : 871,855.80 = 226,056.40 : x
  2. Step 2: Convert to fraction form
    581,030.80/871,855.80 = 226,056.40/x
  3. Step 3: Cross multiply
    581,030.80x = 871,855.80 × 226,056.40
  4. Step 4: Simplify right side
    581,030.80x = 197,088,583,467.12
  5. Step 5: Solve for x
    x = 197,088,583,467.12/581,030.80
  6. Step 6: Final answer
    x = 339,205.05

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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.