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Finding the Fourth Proportional to 474,536.79, 654,860.82 and 259,676.90

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Solution

The fourth proportional to 474,536.79, 654,860.82 and 259,676.90 is: 358,354.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,536.79 : 654,860.82 = 259,676.90 : x
  2. Step 2: Convert to fraction form
    474,536.79/654,860.82 = 259,676.90/x
  3. Step 3: Cross multiply
    474,536.79x = 654,860.82 × 259,676.90
  4. Step 4: Simplify right side
    474,536.79x = 170,052,223,096.37
  5. Step 5: Solve for x
    x = 170,052,223,096.37/474,536.79
  6. Step 6: Final answer
    x = 358,354.14

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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.