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Finding the Fourth Proportional to 629,332.40, 944,326.65 and 274,382.30

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Solution

The fourth proportional to 629,332.40, 944,326.65 and 274,382.30 is: 411,716.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,332.40 : 944,326.65 = 274,382.30 : x
  2. Step 2: Convert to fraction form
    629,332.40/944,326.65 = 274,382.30/x
  3. Step 3: Cross multiply
    629,332.40x = 944,326.65 × 274,382.30
  4. Step 4: Simplify right side
    629,332.40x = 259,106,518,178.30
  5. Step 5: Solve for x
    x = 259,106,518,178.30/629,332.40
  6. Step 6: Final answer
    x = 411,716.48

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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.