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Finding the Fourth Proportional to 1,584,994.92, 2,185,648.54 and 1,356,308.96

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Solution

The fourth proportional to 1,584,994.92, 2,185,648.54 and 1,356,308.96 is: 1,870,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,994.92 : 2,185,648.54 = 1,356,308.96 : x
  2. Step 2: Convert to fraction form
    1,584,994.92/2,185,648.54 = 1,356,308.96/x
  3. Step 3: Cross multiply
    1,584,994.92x = 2,185,648.54 × 1,356,308.96
  4. Step 4: Simplify right side
    1,584,994.92x = 2,964,414,698,212.92
  5. Step 5: Solve for x
    x = 2,964,414,698,212.92/1,584,994.92
  6. Step 6: Final answer
    x = 1,870,299.18

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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.