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Finding the Fourth Proportional to 576,563.80, 862,512.90 and 506,579.80

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Solution

The fourth proportional to 576,563.80, 862,512.90 and 506,579.80 is: 757,820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,563.80 : 862,512.90 = 506,579.80 : x
  2. Step 2: Convert to fraction form
    576,563.80/862,512.90 = 506,579.80/x
  3. Step 3: Cross multiply
    576,563.80x = 862,512.90 × 506,579.80
  4. Step 4: Simplify right side
    576,563.80x = 436,931,612,379.42
  5. Step 5: Solve for x
    x = 436,931,612,379.42/576,563.80
  6. Step 6: Final answer
    x = 757,820.06

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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.