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Finding the Fourth Proportional to 1,273,225, 1,757,065.06 and 700,274.60

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Solution

The fourth proportional to 1,273,225, 1,757,065.06 and 700,274.60 is: 966,386.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,225 : 1,757,065.06 = 700,274.60 : x
  2. Step 2: Convert to fraction form
    1,273,225/1,757,065.06 = 700,274.60/x
  3. Step 3: Cross multiply
    1,273,225x = 1,757,065.06 × 700,274.60
  4. Step 4: Simplify right side
    1,273,225x = 1,230,428,032,065.48
  5. Step 5: Solve for x
    x = 1,230,428,032,065.48/1,273,225
  6. Step 6: Final answer
    x = 966,386.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.