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Finding the Fourth Proportional to 567,197.73, 782,749.26 and 312,565.32

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Solution

The fourth proportional to 567,197.73, 782,749.26 and 312,565.32 is: 431,349.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,197.73 : 782,749.26 = 312,565.32 : x
  2. Step 2: Convert to fraction form
    567,197.73/782,749.26 = 312,565.32/x
  3. Step 3: Cross multiply
    567,197.73x = 782,749.26 × 312,565.32
  4. Step 4: Simplify right side
    567,197.73x = 244,660,272,931.66
  5. Step 5: Solve for x
    x = 244,660,272,931.66/567,197.73
  6. Step 6: Final answer
    x = 431,349.18

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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.