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Finding the Fourth Proportional to 629,387.40, 944,082 and 480,473.19

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Solution

The fourth proportional to 629,387.40, 944,082 and 480,473.19 is: 720,710.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,387.40 : 944,082 = 480,473.19 : x
  2. Step 2: Convert to fraction form
    629,387.40/944,082 = 480,473.19/x
  3. Step 3: Cross multiply
    629,387.40x = 944,082 × 480,473.19
  4. Step 4: Simplify right side
    629,387.40x = 453,606,090,161.58
  5. Step 5: Solve for x
    x = 453,606,090,161.58/629,387.40
  6. Step 6: Final answer
    x = 720,710.47

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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.