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Finding the Fourth Proportional to 595,797.30, 821,410.20 and 493,445.70

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Solution

The fourth proportional to 595,797.30, 821,410.20 and 493,445.70 is: 680,300.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,797.30 : 821,410.20 = 493,445.70 : x
  2. Step 2: Convert to fraction form
    595,797.30/821,410.20 = 493,445.70/x
  3. Step 3: Cross multiply
    595,797.30x = 821,410.20 × 493,445.70
  4. Step 4: Simplify right side
    595,797.30x = 405,321,331,126.14
  5. Step 5: Solve for x
    x = 405,321,331,126.14/595,797.30
  6. Step 6: Final answer
    x = 680,300.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.