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Finding the Fourth Proportional to 589,803.80, 883,539.30 and 547,813.40

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Solution

The fourth proportional to 589,803.80, 883,539.30 and 547,813.40 is: 820,636.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,803.80 : 883,539.30 = 547,813.40 : x
  2. Step 2: Convert to fraction form
    589,803.80/883,539.30 = 547,813.40/x
  3. Step 3: Cross multiply
    589,803.80x = 883,539.30 × 547,813.40
  4. Step 4: Simplify right side
    589,803.80x = 484,014,667,966.62
  5. Step 5: Solve for x
    x = 484,014,667,966.62/589,803.80
  6. Step 6: Final answer
    x = 820,636.74

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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.