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Finding the Fourth Proportional to 644,507.51, 966,785.56 and 245,073.83

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Solution

The fourth proportional to 644,507.51, 966,785.56 and 245,073.83 is: 367,619.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,507.51 : 966,785.56 = 245,073.83 : x
  2. Step 2: Convert to fraction form
    644,507.51/966,785.56 = 245,073.83/x
  3. Step 3: Cross multiply
    644,507.51x = 966,785.56 × 245,073.83
  4. Step 4: Simplify right side
    644,507.51x = 236,933,834,531.28
  5. Step 5: Solve for x
    x = 236,933,834,531.28/644,507.51
  6. Step 6: Final answer
    x = 367,619.98

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1.5x scale

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.