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Finding the Fourth Proportional to 660,727.90, 926,885.30 and 660,727.90

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Solution

The fourth proportional to 660,727.90, 926,885.30 and 660,727.90 is: 926,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,727.90 : 926,885.30 = 660,727.90 : x
  2. Step 2: Convert to fraction form
    660,727.90/926,885.30 = 660,727.90/x
  3. Step 3: Cross multiply
    660,727.90x = 926,885.30 × 660,727.90
  4. Step 4: Simplify right side
    660,727.90x = 612,418,977,809.87
  5. Step 5: Solve for x
    x = 612,418,977,809.87/660,727.90
  6. Step 6: Final answer
    x = 926,885.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.