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Finding the Fourth Proportional to 605,595.60, 908,393.40 and 446,965.20

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Solution

The fourth proportional to 605,595.60, 908,393.40 and 446,965.20 is: 670,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,595.60 : 908,393.40 = 446,965.20 : x
  2. Step 2: Convert to fraction form
    605,595.60/908,393.40 = 446,965.20/x
  3. Step 3: Cross multiply
    605,595.60x = 908,393.40 × 446,965.20
  4. Step 4: Simplify right side
    605,595.60x = 406,020,237,709.68
  5. Step 5: Solve for x
    x = 406,020,237,709.68/605,595.60
  6. Step 6: Final answer
    x = 670,447.80

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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.