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Finding the Fourth Proportional to 352,692.60, 529,038.90 and 350,724.30

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Solution

The fourth proportional to 352,692.60, 529,038.90 and 350,724.30 is: 526,086.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,692.60 : 529,038.90 = 350,724.30 : x
  2. Step 2: Convert to fraction form
    352,692.60/529,038.90 = 350,724.30/x
  3. Step 3: Cross multiply
    352,692.60x = 529,038.90 × 350,724.30
  4. Step 4: Simplify right side
    352,692.60x = 185,546,797,875.27
  5. Step 5: Solve for x
    x = 185,546,797,875.27/352,692.60
  6. Step 6: Final answer
    x = 526,086.45

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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.