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Finding the Fourth Proportional to 1,619,602.59, 2,235,051.58 and 940,582.83

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Solution

The fourth proportional to 1,619,602.59, 2,235,051.58 and 940,582.83 is: 1,298,004.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,602.59 : 2,235,051.58 = 940,582.83 : x
  2. Step 2: Convert to fraction form
    1,619,602.59/2,235,051.58 = 940,582.83/x
  3. Step 3: Cross multiply
    1,619,602.59x = 2,235,051.58 × 940,582.83
  4. Step 4: Simplify right side
    1,619,602.59x = 2,102,251,148,105.95
  5. Step 5: Solve for x
    x = 2,102,251,148,105.95/1,619,602.59
  6. Step 6: Final answer
    x = 1,298,004.31

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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.