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Finding the Fourth Proportional to 1,656,568.40, 2,320,770.40 and 1,656,568.40

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Solution

The fourth proportional to 1,656,568.40, 2,320,770.40 and 1,656,568.40 is: 2,320,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,568.40 : 2,320,770.40 = 1,656,568.40 : x
  2. Step 2: Convert to fraction form
    1,656,568.40/2,320,770.40 = 1,656,568.40/x
  3. Step 3: Cross multiply
    1,656,568.40x = 2,320,770.40 × 1,656,568.40
  4. Step 4: Simplify right side
    1,656,568.40x = 3,844,514,908,295.36
  5. Step 5: Solve for x
    x = 3,844,514,908,295.36/1,656,568.40
  6. Step 6: Final answer
    x = 2,320,770.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.