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Finding the Fourth Proportional to 882,627.90, 1,323,954.81 and 217,779.90

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Solution

The fourth proportional to 882,627.90, 1,323,954.81 and 217,779.90 is: 326,673.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,627.90 : 1,323,954.81 = 217,779.90 : x
  2. Step 2: Convert to fraction form
    882,627.90/1,323,954.81 = 217,779.90/x
  3. Step 3: Cross multiply
    882,627.90x = 1,323,954.81 × 217,779.90
  4. Step 4: Simplify right side
    882,627.90x = 288,330,746,126.32
  5. Step 5: Solve for x
    x = 288,330,746,126.32/882,627.90
  6. Step 6: Final answer
    x = 326,673.05

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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.