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Finding the Fourth Proportional to 680,701.60, 1,021,052.40 and 680,701.60

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Solution

The fourth proportional to 680,701.60, 1,021,052.40 and 680,701.60 is: 1,021,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,701.60 : 1,021,052.40 = 680,701.60 : x
  2. Step 2: Convert to fraction form
    680,701.60/1,021,052.40 = 680,701.60/x
  3. Step 3: Cross multiply
    680,701.60x = 1,021,052.40 × 680,701.60
  4. Step 4: Simplify right side
    680,701.60x = 695,032,002,363.84
  5. Step 5: Solve for x
    x = 695,032,002,363.84/680,701.60
  6. Step 6: Final answer
    x = 1,021,052.40

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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.