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Finding the Fourth Proportional to 692,594.28, 955,773.54 and 386,651.07

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Solution

The fourth proportional to 692,594.28, 955,773.54 and 386,651.07 is: 533,574.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,594.28 : 955,773.54 = 386,651.07 : x
  2. Step 2: Convert to fraction form
    692,594.28/955,773.54 = 386,651.07/x
  3. Step 3: Cross multiply
    692,594.28x = 955,773.54 × 386,651.07
  4. Step 4: Simplify right side
    692,594.28x = 369,550,861,918.69
  5. Step 5: Solve for x
    x = 369,550,861,918.69/692,594.28
  6. Step 6: Final answer
    x = 533,574.81

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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.