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Finding the Fourth Proportional to 453,603.30, 680,404.95 and 313,635.30

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Solution

The fourth proportional to 453,603.30, 680,404.95 and 313,635.30 is: 470,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,603.30 : 680,404.95 = 313,635.30 : x
  2. Step 2: Convert to fraction form
    453,603.30/680,404.95 = 313,635.30/x
  3. Step 3: Cross multiply
    453,603.30x = 680,404.95 × 313,635.30
  4. Step 4: Simplify right side
    453,603.30x = 213,399,010,614.74
  5. Step 5: Solve for x
    x = 213,399,010,614.74/453,603.30
  6. Step 6: Final answer
    x = 470,452.95

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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.