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Finding the Fourth Proportional to 1,655,716, 2,284,890.96 and 940,324

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Solution

The fourth proportional to 1,655,716, 2,284,890.96 and 940,324 is: 1,297,648.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,716 : 2,284,890.96 = 940,324 : x
  2. Step 2: Convert to fraction form
    1,655,716/2,284,890.96 = 940,324/x
  3. Step 3: Cross multiply
    1,655,716x = 2,284,890.96 × 940,324
  4. Step 4: Simplify right side
    1,655,716x = 2,148,537,807,071.04
  5. Step 5: Solve for x
    x = 2,148,537,807,071.04/1,655,716
  6. Step 6: Final answer
    x = 1,297,648.76

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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.