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Finding the Fourth Proportional to 574,460.82, 792,749.25 and 316,332.41

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Solution

The fourth proportional to 574,460.82, 792,749.25 and 316,332.41 is: 436,535.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,460.82 : 792,749.25 = 316,332.41 : x
  2. Step 2: Convert to fraction form
    574,460.82/792,749.25 = 316,332.41/x
  3. Step 3: Cross multiply
    574,460.82x = 792,749.25 × 316,332.41
  4. Step 4: Simplify right side
    574,460.82x = 250,772,276,814.45
  5. Step 5: Solve for x
    x = 250,772,276,814.45/574,460.82
  6. Step 6: Final answer
    x = 436,535.04

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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.