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Finding the Fourth Proportional to 575,532.55, 862,560 and 275,563.63

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Solution

The fourth proportional to 575,532.55, 862,560 and 275,563.63 is: 412,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,532.55 : 862,560 = 275,563.63 : x
  2. Step 2: Convert to fraction form
    575,532.55/862,560 = 275,563.63/x
  3. Step 3: Cross multiply
    575,532.55x = 862,560 × 275,563.63
  4. Step 4: Simplify right side
    575,532.55x = 237,690,162,536.40
  5. Step 5: Solve for x
    x = 237,690,162,536.40/575,532.55
  6. Step 6: Final answer
    x = 412,991.70

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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.