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Finding the Fourth Proportional to 567,580.08, 783,245.52 and 312,924.72

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Solution

The fourth proportional to 567,580.08, 783,245.52 and 312,924.72 is: 431,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,580.08 : 783,245.52 = 312,924.72 : x
  2. Step 2: Convert to fraction form
    567,580.08/783,245.52 = 312,924.72/x
  3. Step 3: Cross multiply
    567,580.08x = 783,245.52 × 312,924.72
  4. Step 4: Simplify right side
    567,580.08x = 245,096,885,037.25
  5. Step 5: Solve for x
    x = 245,096,885,037.25/567,580.08
  6. Step 6: Final answer
    x = 431,827.85

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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.