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Finding the Fourth Proportional to 1,973,479.02, 2,961,399.49 and 851,548.02

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Solution

The fourth proportional to 1,973,479.02, 2,961,399.49 and 851,548.02 is: 1,277,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,479.02 : 2,961,399.49 = 851,548.02 : x
  2. Step 2: Convert to fraction form
    1,973,479.02/2,961,399.49 = 851,548.02/x
  3. Step 3: Cross multiply
    1,973,479.02x = 2,961,399.49 × 851,548.02
  4. Step 4: Simplify right side
    1,973,479.02x = 2,521,773,872,138.51
  5. Step 5: Solve for x
    x = 2,521,773,872,138.51/1,973,479.02
  6. Step 6: Final answer
    x = 1,277,831.61

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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.