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Finding the Fourth Proportional to 1,964,981.04, 2,947,471.38 and 545,037.18

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Solution

The fourth proportional to 1,964,981.04, 2,947,471.38 and 545,037.18 is: 817,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,981.04 : 2,947,471.38 = 545,037.18 : x
  2. Step 2: Convert to fraction form
    1,964,981.04/2,947,471.38 = 545,037.18/x
  3. Step 3: Cross multiply
    1,964,981.04x = 2,947,471.38 × 545,037.18
  4. Step 4: Simplify right side
    1,964,981.04x = 1,606,481,489,085.91
  5. Step 5: Solve for x
    x = 1,606,481,489,085.91/1,964,981.04
  6. Step 6: Final answer
    x = 817,555.72

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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.