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Finding the Fourth Proportional to 536,617.60, 804,926.40 and 347,660.80

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Solution

The fourth proportional to 536,617.60, 804,926.40 and 347,660.80 is: 521,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,617.60 : 804,926.40 = 347,660.80 : x
  2. Step 2: Convert to fraction form
    536,617.60/804,926.40 = 347,660.80/x
  3. Step 3: Cross multiply
    536,617.60x = 804,926.40 × 347,660.80
  4. Step 4: Simplify right side
    536,617.60x = 279,841,356,165.12
  5. Step 5: Solve for x
    x = 279,841,356,165.12/536,617.60
  6. Step 6: Final answer
    x = 521,491.20

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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.