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Finding the Fourth Proportional to 581,445.70, 871,520.55 and 226,341.70

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Solution

The fourth proportional to 581,445.70, 871,520.55 and 226,341.70 is: 339,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,445.70 : 871,520.55 = 226,341.70 : x
  2. Step 2: Convert to fraction form
    581,445.70/871,520.55 = 226,341.70/x
  3. Step 3: Cross multiply
    581,445.70x = 871,520.55 × 226,341.70
  4. Step 4: Simplify right side
    581,445.70x = 197,261,442,871.94
  5. Step 5: Solve for x
    x = 197,261,442,871.94/581,445.70
  6. Step 6: Final answer
    x = 339,260.30

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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.