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Finding the Fourth Proportional to 1,148,166.96, 1,584,664.68 and 665,026.26

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Solution

The fourth proportional to 1,148,166.96, 1,584,664.68 and 665,026.26 is: 917,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,166.96 : 1,584,664.68 = 665,026.26 : x
  2. Step 2: Convert to fraction form
    1,148,166.96/1,584,664.68 = 665,026.26/x
  3. Step 3: Cross multiply
    1,148,166.96x = 1,584,664.68 × 665,026.26
  4. Step 4: Simplify right side
    1,148,166.96x = 1,053,843,625,494.50
  5. Step 5: Solve for x
    x = 1,053,843,625,494.50/1,148,166.96
  6. Step 6: Final answer
    x = 917,848.76

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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.