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Finding the Fourth Proportional to 1,416,976.52, 1,955,700.52 and 982,572.71

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Solution

The fourth proportional to 1,416,976.52, 1,955,700.52 and 982,572.71 is: 1,356,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,976.52 : 1,955,700.52 = 982,572.71 : x
  2. Step 2: Convert to fraction form
    1,416,976.52/1,955,700.52 = 982,572.71/x
  3. Step 3: Cross multiply
    1,416,976.52x = 1,955,700.52 × 982,572.71
  4. Step 4: Simplify right side
    1,416,976.52x = 1,921,617,947,649.87
  5. Step 5: Solve for x
    x = 1,921,617,947,649.87/1,416,976.52
  6. Step 6: Final answer
    x = 1,356,139.59

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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.