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Finding the Fourth Proportional to 623,453.60, 935,266.80 and 223,997.60

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Solution

The fourth proportional to 623,453.60, 935,266.80 and 223,997.60 is: 336,027.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,453.60 : 935,266.80 = 223,997.60 : x
  2. Step 2: Convert to fraction form
    623,453.60/935,266.80 = 223,997.60/x
  3. Step 3: Cross multiply
    623,453.60x = 935,266.80 × 223,997.60
  4. Step 4: Simplify right side
    623,453.60x = 209,497,518,559.68
  5. Step 5: Solve for x
    x = 209,497,518,559.68/623,453.60
  6. Step 6: Final answer
    x = 336,027.44

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1.5x scale

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.