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Finding the Fourth Proportional to 692,195.96, 955,228.64 and 386,269.14

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Solution

The fourth proportional to 692,195.96, 955,228.64 and 386,269.14 is: 533,050.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,195.96 : 955,228.64 = 386,269.14 : x
  2. Step 2: Convert to fraction form
    692,195.96/955,228.64 = 386,269.14/x
  3. Step 3: Cross multiply
    692,195.96x = 955,228.64 × 386,269.14
  4. Step 4: Simplify right side
    692,195.96x = 368,975,343,344.82
  5. Step 5: Solve for x
    x = 368,975,343,344.82/692,195.96
  6. Step 6: Final answer
    x = 533,050.42

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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.