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Finding the Fourth Proportional to 567,911.01, 783,636.62 and 352,972.65

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Solution

The fourth proportional to 567,911.01, 783,636.62 and 352,972.65 is: 487,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,911.01 : 783,636.62 = 352,972.65 : x
  2. Step 2: Convert to fraction form
    567,911.01/783,636.62 = 352,972.65/x
  3. Step 3: Cross multiply
    567,911.01x = 783,636.62 × 352,972.65
  4. Step 4: Simplify right side
    567,911.01x = 276,602,292,633.58
  5. Step 5: Solve for x
    x = 276,602,292,633.58/567,911.01
  6. Step 6: Final answer
    x = 487,052.18

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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.