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Finding the Fourth Proportional to 1,092,917.80, 1,636,752.30 and 882,965.80

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Solution

The fourth proportional to 1,092,917.80, 1,636,752.30 and 882,965.80 is: 1,322,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,917.80 : 1,636,752.30 = 882,965.80 : x
  2. Step 2: Convert to fraction form
    1,092,917.80/1,636,752.30 = 882,965.80/x
  3. Step 3: Cross multiply
    1,092,917.80x = 1,636,752.30 × 882,965.80
  4. Step 4: Simplify right side
    1,092,917.80x = 1,445,196,303,971.34
  5. Step 5: Solve for x
    x = 1,445,196,303,971.34/1,092,917.80
  6. Step 6: Final answer
    x = 1,322,328.45

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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.