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Finding the Fourth Proportional to 603,775.19, 833,218.38 and 331,868.22

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Solution

The fourth proportional to 603,775.19, 833,218.38 and 331,868.22 is: 457,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,775.19 : 833,218.38 = 331,868.22 : x
  2. Step 2: Convert to fraction form
    603,775.19/833,218.38 = 331,868.22/x
  3. Step 3: Cross multiply
    603,775.19x = 833,218.38 × 331,868.22
  4. Step 4: Simplify right side
    603,775.19x = 276,518,700,641.88
  5. Step 5: Solve for x
    x = 276,518,700,641.88/603,775.19
  6. Step 6: Final answer
    x = 457,982.88

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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.