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Finding the Fourth Proportional to 577,895.40, 866,826.90 and 262,351.80

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Solution

The fourth proportional to 577,895.40, 866,826.90 and 262,351.80 is: 393,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,895.40 : 866,826.90 = 262,351.80 : x
  2. Step 2: Convert to fraction form
    577,895.40/866,826.90 = 262,351.80/x
  3. Step 3: Cross multiply
    577,895.40x = 866,826.90 × 262,351.80
  4. Step 4: Simplify right side
    577,895.40x = 227,413,597,503.42
  5. Step 5: Solve for x
    x = 227,413,597,503.42/577,895.40
  6. Step 6: Final answer
    x = 393,520.35

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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.