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Finding the Fourth Proportional to 563,607.50, 777,832.14 and 321,926.18

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Solution

The fourth proportional to 563,607.50, 777,832.14 and 321,926.18 is: 444,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,607.50 : 777,832.14 = 321,926.18 : x
  2. Step 2: Convert to fraction form
    563,607.50/777,832.14 = 321,926.18/x
  3. Step 3: Cross multiply
    563,607.50x = 777,832.14 × 321,926.18
  4. Step 4: Simplify right side
    563,607.50x = 250,404,529,511.43
  5. Step 5: Solve for x
    x = 250,404,529,511.43/563,607.50
  6. Step 6: Final answer
    x = 444,288.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.