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Finding the Fourth Proportional to 659,653.84, 910,324.05 and 357,847.84

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Solution

The fourth proportional to 659,653.84, 910,324.05 and 357,847.84 is: 493,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,653.84 : 910,324.05 = 357,847.84 : x
  2. Step 2: Convert to fraction form
    659,653.84/910,324.05 = 357,847.84/x
  3. Step 3: Cross multiply
    659,653.84x = 910,324.05 × 357,847.84
  4. Step 4: Simplify right side
    659,653.84x = 325,757,494,992.55
  5. Step 5: Solve for x
    x = 325,757,494,992.55/659,653.84
  6. Step 6: Final answer
    x = 493,830.97

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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.