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Finding the Fourth Proportional to 504,265.20, 707,742.75 and 504,265.20

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Solution

The fourth proportional to 504,265.20, 707,742.75 and 504,265.20 is: 707,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,265.20 : 707,742.75 = 504,265.20 : x
  2. Step 2: Convert to fraction form
    504,265.20/707,742.75 = 504,265.20/x
  3. Step 3: Cross multiply
    504,265.20x = 707,742.75 × 504,265.20
  4. Step 4: Simplify right side
    504,265.20x = 356,890,039,377.30
  5. Step 5: Solve for x
    x = 356,890,039,377.30/504,265.20
  6. Step 6: Final answer
    x = 707,742.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.