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Finding the Fourth Proportional to 567,483.63, 783,132.63 and 312,843.93

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Solution

The fourth proportional to 567,483.63, 783,132.63 and 312,843.93 is: 431,727.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,483.63 : 783,132.63 = 312,843.93 : x
  2. Step 2: Convert to fraction form
    567,483.63/783,132.63 = 312,843.93/x
  3. Step 3: Cross multiply
    567,483.63x = 783,132.63 × 312,843.93
  4. Step 4: Simplify right side
    567,483.63x = 244,998,289,680.44
  5. Step 5: Solve for x
    x = 244,998,289,680.44/567,483.63
  6. Step 6: Final answer
    x = 431,727.50

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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.