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Finding the Fourth Proportional to 882,005.90, 1,323,008.85 and 868,009.10

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Solution

The fourth proportional to 882,005.90, 1,323,008.85 and 868,009.10 is: 1,302,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,005.90 : 1,323,008.85 = 868,009.10 : x
  2. Step 2: Convert to fraction form
    882,005.90/1,323,008.85 = 868,009.10/x
  3. Step 3: Cross multiply
    882,005.90x = 1,323,008.85 × 868,009.10
  4. Step 4: Simplify right side
    882,005.90x = 1,148,383,721,180.54
  5. Step 5: Solve for x
    x = 1,148,383,721,180.54/882,005.90
  6. Step 6: Final answer
    x = 1,302,013.65

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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.