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Finding the Fourth Proportional to 537,195.30, 806,165.55 and 404,355.30

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Solution

The fourth proportional to 537,195.30, 806,165.55 and 404,355.30 is: 606,813.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,195.30 : 806,165.55 = 404,355.30 : x
  2. Step 2: Convert to fraction form
    537,195.30/806,165.55 = 404,355.30/x
  3. Step 3: Cross multiply
    537,195.30x = 806,165.55 × 404,355.30
  4. Step 4: Simplify right side
    537,195.30x = 325,977,312,819.92
  5. Step 5: Solve for x
    x = 325,977,312,819.92/537,195.30
  6. Step 6: Final answer
    x = 606,813.41

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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.