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Finding the Fourth Proportional to 1,295,894.09, 1,943,709.92 and 349,360.49

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Solution

The fourth proportional to 1,295,894.09, 1,943,709.92 and 349,360.49 is: 524,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,894.09 : 1,943,709.92 = 349,360.49 : x
  2. Step 2: Convert to fraction form
    1,295,894.09/1,943,709.92 = 349,360.49/x
  3. Step 3: Cross multiply
    1,295,894.09x = 1,943,709.92 × 349,360.49
  4. Step 4: Simplify right side
    1,295,894.09x = 679,055,454,491.64
  5. Step 5: Solve for x
    x = 679,055,454,491.64/1,295,894.09
  6. Step 6: Final answer
    x = 524,005.36

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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.