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Finding the Fourth Proportional to 576,196.60, 863,258.10 and 493,252.60

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Solution

The fourth proportional to 576,196.60, 863,258.10 and 493,252.60 is: 738,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,196.60 : 863,258.10 = 493,252.60 : x
  2. Step 2: Convert to fraction form
    576,196.60/863,258.10 = 493,252.60/x
  3. Step 3: Cross multiply
    576,196.60x = 863,258.10 × 493,252.60
  4. Step 4: Simplify right side
    576,196.60x = 425,804,302,296.06
  5. Step 5: Solve for x
    x = 425,804,302,296.06/576,196.60
  6. Step 6: Final answer
    x = 738,991.35

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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.