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Finding the Fourth Proportional to 539,349.80, 809,316.30 and 223,838.60

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Solution

The fourth proportional to 539,349.80, 809,316.30 and 223,838.60 is: 335,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,349.80 : 809,316.30 = 223,838.60 : x
  2. Step 2: Convert to fraction form
    539,349.80/809,316.30 = 223,838.60/x
  3. Step 3: Cross multiply
    539,349.80x = 809,316.30 × 223,838.60
  4. Step 4: Simplify right side
    539,349.80x = 181,156,227,549.18
  5. Step 5: Solve for x
    x = 181,156,227,549.18/539,349.80
  6. Step 6: Final answer
    x = 335,878.92

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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.