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Finding the Fourth Proportional to 603,741.68, 833,145.90 and 345,610.07

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Solution

The fourth proportional to 603,741.68, 833,145.90 and 345,610.07 is: 476,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,741.68 : 833,145.90 = 345,610.07 : x
  2. Step 2: Convert to fraction form
    603,741.68/833,145.90 = 345,610.07/x
  3. Step 3: Cross multiply
    603,741.68x = 833,145.90 × 345,610.07
  4. Step 4: Simplify right side
    603,741.68x = 287,943,610,481.74
  5. Step 5: Solve for x
    x = 287,943,610,481.74/603,741.68
  6. Step 6: Final answer
    x = 476,931.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.