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Finding the Fourth Proportional to 536,768.40, 804,461.40 and 255,680.40

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Solution

The fourth proportional to 536,768.40, 804,461.40 and 255,680.40 is: 383,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,768.40 : 804,461.40 = 255,680.40 : x
  2. Step 2: Convert to fraction form
    536,768.40/804,461.40 = 255,680.40/x
  3. Step 3: Cross multiply
    536,768.40x = 804,461.40 × 255,680.40
  4. Step 4: Simplify right side
    536,768.40x = 205,685,012,536.56
  5. Step 5: Solve for x
    x = 205,685,012,536.56/536,768.40
  6. Step 6: Final answer
    x = 383,191.36

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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.