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Finding the Fourth Proportional to 650,606.36, 897,729.66 and 408,717.63

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Solution

The fourth proportional to 650,606.36, 897,729.66 and 408,717.63 is: 563,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,606.36 : 897,729.66 = 408,717.63 : x
  2. Step 2: Convert to fraction form
    650,606.36/897,729.66 = 408,717.63/x
  3. Step 3: Cross multiply
    650,606.36x = 897,729.66 × 408,717.63
  4. Step 4: Simplify right side
    650,606.36x = 366,917,939,015.91
  5. Step 5: Solve for x
    x = 366,917,939,015.91/650,606.36
  6. Step 6: Final answer
    x = 563,963.04

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1.5x scale

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.