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Finding the Fourth Proportional to 605,250.60, 905,907.60 and 471,406.20

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Solution

The fourth proportional to 605,250.60, 905,907.60 and 471,406.20 is: 705,576.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,250.60 : 905,907.60 = 471,406.20 : x
  2. Step 2: Convert to fraction form
    605,250.60/905,907.60 = 471,406.20/x
  3. Step 3: Cross multiply
    605,250.60x = 905,907.60 × 471,406.20
  4. Step 4: Simplify right side
    605,250.60x = 427,050,459,267.12
  5. Step 5: Solve for x
    x = 427,050,459,267.12/605,250.60
  6. Step 6: Final answer
    x = 705,576.27

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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.