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Finding the Fourth Proportional to 1,273,348, 1,757,469.81 and 729,848.08

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Solution

The fourth proportional to 1,273,348, 1,757,469.81 and 729,848.08 is: 1,007,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,348 : 1,757,469.81 = 729,848.08 : x
  2. Step 2: Convert to fraction form
    1,273,348/1,757,469.81 = 729,848.08/x
  3. Step 3: Cross multiply
    1,273,348x = 1,757,469.81 × 729,848.08
  4. Step 4: Simplify right side
    1,273,348x = 1,282,685,966,486.46
  5. Step 5: Solve for x
    x = 1,282,685,966,486.46/1,273,348
  6. Step 6: Final answer
    x = 1,007,333.40

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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.