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Finding the Fourth Proportional to 573,309.70, 859,964.55 and 537,880.30

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Solution

The fourth proportional to 573,309.70, 859,964.55 and 537,880.30 is: 806,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,309.70 : 859,964.55 = 537,880.30 : x
  2. Step 2: Convert to fraction form
    573,309.70/859,964.55 = 537,880.30/x
  3. Step 3: Cross multiply
    573,309.70x = 859,964.55 × 537,880.30
  4. Step 4: Simplify right side
    573,309.70x = 462,557,990,143.37
  5. Step 5: Solve for x
    x = 462,557,990,143.37/573,309.70
  6. Step 6: Final answer
    x = 806,820.45

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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.