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Finding the Fourth Proportional to 590,429.40, 884,331.90 and 456,876.60

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Solution

The fourth proportional to 590,429.40, 884,331.90 and 456,876.60 is: 684,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,429.40 : 884,331.90 = 456,876.60 : x
  2. Step 2: Convert to fraction form
    590,429.40/884,331.90 = 456,876.60/x
  3. Step 3: Cross multiply
    590,429.40x = 884,331.90 × 456,876.60
  4. Step 4: Simplify right side
    590,429.40x = 404,030,551,743.54
  5. Step 5: Solve for x
    x = 404,030,551,743.54/590,429.40
  6. Step 6: Final answer
    x = 684,299.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.