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Finding the Fourth Proportional to 474,674.96, 655,051.66 and 259,816.12

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Solution

The fourth proportional to 474,674.96, 655,051.66 and 259,816.12 is: 358,546.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,674.96 : 655,051.66 = 259,816.12 : x
  2. Step 2: Convert to fraction form
    474,674.96/655,051.66 = 259,816.12/x
  3. Step 3: Cross multiply
    474,674.96x = 655,051.66 × 259,816.12
  4. Step 4: Simplify right side
    474,674.96x = 170,192,980,700.76
  5. Step 5: Solve for x
    x = 170,192,980,700.76/474,674.96
  6. Step 6: Final answer
    x = 358,546.36

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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.