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Finding the Fourth Proportional to 507,967.80, 762,275.70 and 242,028.60

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Solution

The fourth proportional to 507,967.80, 762,275.70 and 242,028.60 is: 363,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,967.80 : 762,275.70 = 242,028.60 : x
  2. Step 2: Convert to fraction form
    507,967.80/762,275.70 = 242,028.60/x
  3. Step 3: Cross multiply
    507,967.80x = 762,275.70 × 242,028.60
  4. Step 4: Simplify right side
    507,967.80x = 184,492,520,485.02
  5. Step 5: Solve for x
    x = 184,492,520,485.02/507,967.80
  6. Step 6: Final answer
    x = 363,197.27

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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.