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Finding the Fourth Proportional to 573,033.08, 859,252.98 and 257,218.04

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Solution

The fourth proportional to 573,033.08, 859,252.98 and 257,218.04 is: 385,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,033.08 : 859,252.98 = 257,218.04 : x
  2. Step 2: Convert to fraction form
    573,033.08/859,252.98 = 257,218.04/x
  3. Step 3: Cross multiply
    573,033.08x = 859,252.98 × 257,218.04
  4. Step 4: Simplify right side
    573,033.08x = 221,015,367,379.76
  5. Step 5: Solve for x
    x = 221,015,367,379.76/573,033.08
  6. Step 6: Final answer
    x = 385,693.91

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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.