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Finding the Fourth Proportional to 360,935.07, 496,949.12 and 317,884.11

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Solution

The fourth proportional to 360,935.07, 496,949.12 and 317,884.11 is: 437,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,935.07 : 496,949.12 = 317,884.11 : x
  2. Step 2: Convert to fraction form
    360,935.07/496,949.12 = 317,884.11/x
  3. Step 3: Cross multiply
    360,935.07x = 496,949.12 × 317,884.11
  4. Step 4: Simplify right side
    360,935.07x = 157,972,227,137.06
  5. Step 5: Solve for x
    x = 157,972,227,137.06/360,935.07
  6. Step 6: Final answer
    x = 437,674.92

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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.