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Finding the Fourth Proportional to 884,065.20, 1,326,097.80 and 706,918.20

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Solution

The fourth proportional to 884,065.20, 1,326,097.80 and 706,918.20 is: 1,060,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,065.20 : 1,326,097.80 = 706,918.20 : x
  2. Step 2: Convert to fraction form
    884,065.20/1,326,097.80 = 706,918.20/x
  3. Step 3: Cross multiply
    884,065.20x = 1,326,097.80 × 706,918.20
  4. Step 4: Simplify right side
    884,065.20x = 937,442,669,799.96
  5. Step 5: Solve for x
    x = 937,442,669,799.96/884,065.20
  6. Step 6: Final answer
    x = 1,060,377.30

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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.