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Finding the Fourth Proportional to 579,458.60, 867,114.30 and 529,692.20

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Solution

The fourth proportional to 579,458.60, 867,114.30 and 529,692.20 is: 792,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,458.60 : 867,114.30 = 529,692.20 : x
  2. Step 2: Convert to fraction form
    579,458.60/867,114.30 = 529,692.20/x
  3. Step 3: Cross multiply
    579,458.60x = 867,114.30 × 529,692.20
  4. Step 4: Simplify right side
    579,458.60x = 459,303,681,218.46
  5. Step 5: Solve for x
    x = 459,303,681,218.46/579,458.60
  6. Step 6: Final answer
    x = 792,642.79

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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.