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Finding the Fourth Proportional to 702,573.90, 969,292.62 and 460,990.59

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Solution

The fourth proportional to 702,573.90, 969,292.62 and 460,990.59 is: 635,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,573.90 : 969,292.62 = 460,990.59 : x
  2. Step 2: Convert to fraction form
    702,573.90/969,292.62 = 460,990.59/x
  3. Step 3: Cross multiply
    702,573.90x = 969,292.62 × 460,990.59
  4. Step 4: Simplify right side
    702,573.90x = 446,834,776,776.45
  5. Step 5: Solve for x
    x = 446,834,776,776.45/702,573.90
  6. Step 6: Final answer
    x = 635,996.84

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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.