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Finding the Fourth Proportional to 572,563.10, 858,844.65 and 539,903.90

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Solution

The fourth proportional to 572,563.10, 858,844.65 and 539,903.90 is: 809,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,563.10 : 858,844.65 = 539,903.90 : x
  2. Step 2: Convert to fraction form
    572,563.10/858,844.65 = 539,903.90/x
  3. Step 3: Cross multiply
    572,563.10x = 858,844.65 × 539,903.90
  4. Step 4: Simplify right side
    572,563.10x = 463,693,576,029.14
  5. Step 5: Solve for x
    x = 463,693,576,029.14/572,563.10
  6. Step 6: Final answer
    x = 809,855.85

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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.