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Finding the Fourth Proportional to 453,759.10, 680,897.85 and 313,618.30

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Solution

The fourth proportional to 453,759.10, 680,897.85 and 313,618.30 is: 470,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,759.10 : 680,897.85 = 313,618.30 : x
  2. Step 2: Convert to fraction form
    453,759.10/680,897.85 = 313,618.30/x
  3. Step 3: Cross multiply
    453,759.10x = 680,897.85 × 313,618.30
  4. Step 4: Simplify right side
    453,759.10x = 213,542,026,190.66
  5. Step 5: Solve for x
    x = 213,542,026,190.66/453,759.10
  6. Step 6: Final answer
    x = 470,606.60

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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.