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Finding the Fourth Proportional to 692,196.96, 955,230.01 and 386,270.14

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Solution

The fourth proportional to 692,196.96, 955,230.01 and 386,270.14 is: 533,051.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,196.96 : 955,230.01 = 386,270.14 : x
  2. Step 2: Convert to fraction form
    692,196.96/955,230.01 = 386,270.14/x
  3. Step 3: Cross multiply
    692,196.96x = 955,230.01 × 386,270.14
  4. Step 4: Simplify right side
    692,196.96x = 368,976,829,694.90
  5. Step 5: Solve for x
    x = 368,976,829,694.90/692,196.96
  6. Step 6: Final answer
    x = 533,051.79

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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.