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Finding the Fourth Proportional to 692,204.60, 955,244.51 and 386,293.93

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Solution

The fourth proportional to 692,204.60, 955,244.51 and 386,293.93 is: 533,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,204.60 : 955,244.51 = 386,293.93 : x
  2. Step 2: Convert to fraction form
    692,204.60/955,244.51 = 386,293.93/x
  3. Step 3: Cross multiply
    692,204.60x = 955,244.51 × 386,293.93
  4. Step 4: Simplify right side
    692,204.60x = 369,005,155,878.82
  5. Step 5: Solve for x
    x = 369,005,155,878.82/692,204.60
  6. Step 6: Final answer
    x = 533,086.83

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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.