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Finding the Fourth Proportional to 404,313.30, 605,595.15 and 262,595.70

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Solution

The fourth proportional to 404,313.30, 605,595.15 and 262,595.70 is: 393,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,313.30 : 605,595.15 = 262,595.70 : x
  2. Step 2: Convert to fraction form
    404,313.30/605,595.15 = 262,595.70/x
  3. Step 3: Cross multiply
    404,313.30x = 605,595.15 × 262,595.70
  4. Step 4: Simplify right side
    404,313.30x = 159,026,682,330.86
  5. Step 5: Solve for x
    x = 159,026,682,330.86/404,313.30
  6. Step 6: Final answer
    x = 393,325.38

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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.