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Finding the Fourth Proportional to 1,970,730, 2,956,150.08 and 641,034

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Solution

The fourth proportional to 1,970,730, 2,956,150.08 and 641,034 is: 961,568.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,730 : 2,956,150.08 = 641,034 : x
  2. Step 2: Convert to fraction form
    1,970,730/2,956,150.08 = 641,034/x
  3. Step 3: Cross multiply
    1,970,730x = 2,956,150.08 × 641,034
  4. Step 4: Simplify right side
    1,970,730x = 1,894,992,710,382.72
  5. Step 5: Solve for x
    x = 1,894,992,710,382.72/1,970,730
  6. Step 6: Final answer
    x = 961,568.92

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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.