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Finding the Fourth Proportional to 692,394.50, 955,388.96 and 462,583.34

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Solution

The fourth proportional to 692,394.50, 955,388.96 and 462,583.34 is: 638,287.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,394.50 : 955,388.96 = 462,583.34 : x
  2. Step 2: Convert to fraction form
    692,394.50/955,388.96 = 462,583.34/x
  3. Step 3: Cross multiply
    692,394.50x = 955,388.96 × 462,583.34
  4. Step 4: Simplify right side
    692,394.50x = 441,947,016,115.93
  5. Step 5: Solve for x
    x = 441,947,016,115.93/692,394.50
  6. Step 6: Final answer
    x = 638,287.88

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Double scale
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1.5x scale

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.