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Finding the Fourth Proportional to 884,803.50, 1,327,210.11 and 219,955.50

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Solution

The fourth proportional to 884,803.50, 1,327,210.11 and 219,955.50 is: 329,934.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,803.50 : 1,327,210.11 = 219,955.50 : x
  2. Step 2: Convert to fraction form
    884,803.50/1,327,210.11 = 219,955.50/x
  3. Step 3: Cross multiply
    884,803.50x = 1,327,210.11 × 219,955.50
  4. Step 4: Simplify right side
    884,803.50x = 291,927,163,350.11
  5. Step 5: Solve for x
    x = 291,927,163,350.11/884,803.50
  6. Step 6: Final answer
    x = 329,934.46

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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.