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Finding the Fourth Proportional to 574,508.52, 792,930.66 and 380,573.16

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Solution

The fourth proportional to 574,508.52, 792,930.66 and 380,573.16 is: 525,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,508.52 : 792,930.66 = 380,573.16 : x
  2. Step 2: Convert to fraction form
    574,508.52/792,930.66 = 380,573.16/x
  3. Step 3: Cross multiply
    574,508.52x = 792,930.66 × 380,573.16
  4. Step 4: Simplify right side
    574,508.52x = 301,768,126,937.09
  5. Step 5: Solve for x
    x = 301,768,126,937.09/574,508.52
  6. Step 6: Final answer
    x = 525,263.10

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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.