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Finding the Fourth Proportional to 1,001,966.76, 1,502,629.38 and 327,865.32

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Solution

The fourth proportional to 1,001,966.76, 1,502,629.38 and 327,865.32 is: 491,693.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,966.76 : 1,502,629.38 = 327,865.32 : x
  2. Step 2: Convert to fraction form
    1,001,966.76/1,502,629.38 = 327,865.32/x
  3. Step 3: Cross multiply
    1,001,966.76x = 1,502,629.38 × 327,865.32
  4. Step 4: Simplify right side
    1,001,966.76x = 492,660,062,515.10
  5. Step 5: Solve for x
    x = 492,660,062,515.10/1,001,966.76
  6. Step 6: Final answer
    x = 491,693.02

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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.