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Finding the Fourth Proportional to 555,189.44, 766,166.71 and 325,750.63

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Solution

The fourth proportional to 555,189.44, 766,166.71 and 325,750.63 is: 449,538.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,189.44 : 766,166.71 = 325,750.63 : x
  2. Step 2: Convert to fraction form
    555,189.44/766,166.71 = 325,750.63/x
  3. Step 3: Cross multiply
    555,189.44x = 766,166.71 × 325,750.63
  4. Step 4: Simplify right side
    555,189.44x = 249,579,286,868.91
  5. Step 5: Solve for x
    x = 249,579,286,868.91/555,189.44
  6. Step 6: Final answer
    x = 449,538.97

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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.