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Finding the Fourth Proportional to 536,966.30, 804,527.85 and 255,878.30

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Solution

The fourth proportional to 536,966.30, 804,527.85 and 255,878.30 is: 383,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,966.30 : 804,527.85 = 255,878.30 : x
  2. Step 2: Convert to fraction form
    536,966.30/804,527.85 = 255,878.30/x
  3. Step 3: Cross multiply
    536,966.30x = 804,527.85 × 255,878.30
  4. Step 4: Simplify right side
    536,966.30x = 205,861,218,560.66
  5. Step 5: Solve for x
    x = 205,861,218,560.66/536,966.30
  6. Step 6: Final answer
    x = 383,378.28

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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.