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Finding the Fourth Proportional to 914,794.90, 1,282,579.10 and 914,794.90

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Solution

The fourth proportional to 914,794.90, 1,282,579.10 and 914,794.90 is: 1,282,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,794.90 : 1,282,579.10 = 914,794.90 : x
  2. Step 2: Convert to fraction form
    914,794.90/1,282,579.10 = 914,794.90/x
  3. Step 3: Cross multiply
    914,794.90x = 1,282,579.10 × 914,794.90
  4. Step 4: Simplify right side
    914,794.90x = 1,173,296,819,526.59
  5. Step 5: Solve for x
    x = 1,173,296,819,526.59/914,794.90
  6. Step 6: Final answer
    x = 1,282,579.10

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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.