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Finding the Fourth Proportional to 519,046.81, 716,284.67 and 292,692.37

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Solution

The fourth proportional to 519,046.81, 716,284.67 and 292,692.37 is: 403,915.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,046.81 : 716,284.67 = 292,692.37 : x
  2. Step 2: Convert to fraction form
    519,046.81/716,284.67 = 292,692.37/x
  3. Step 3: Cross multiply
    519,046.81x = 716,284.67 × 292,692.37
  4. Step 4: Simplify right side
    519,046.81x = 209,651,056,193.51
  5. Step 5: Solve for x
    x = 209,651,056,193.51/519,046.81
  6. Step 6: Final answer
    x = 403,915.51

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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.