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Finding the Fourth Proportional to 574,441.69, 792,722.85 and 316,313.27

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Solution

The fourth proportional to 574,441.69, 792,722.85 and 316,313.27 is: 436,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,441.69 : 792,722.85 = 316,313.27 : x
  2. Step 2: Convert to fraction form
    574,441.69/792,722.85 = 316,313.27/x
  3. Step 3: Cross multiply
    574,441.69x = 792,722.85 × 316,313.27
  4. Step 4: Simplify right side
    574,441.69x = 250,748,756,489.40
  5. Step 5: Solve for x
    x = 250,748,756,489.40/574,441.69
  6. Step 6: Final answer
    x = 436,508.63

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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.