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Finding the Fourth Proportional to 713,984.20, 1,068,902.70 and 693,248.20

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Solution

The fourth proportional to 713,984.20, 1,068,902.70 and 693,248.20 is: 1,037,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,984.20 : 1,068,902.70 = 693,248.20 : x
  2. Step 2: Convert to fraction form
    713,984.20/1,068,902.70 = 693,248.20/x
  3. Step 3: Cross multiply
    713,984.20x = 1,068,902.70 × 693,248.20
  4. Step 4: Simplify right side
    713,984.20x = 741,014,872,750.14
  5. Step 5: Solve for x
    x = 741,014,872,750.14/713,984.20
  6. Step 6: Final answer
    x = 1,037,858.92

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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.