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Finding the Fourth Proportional to 573,210.88, 859,894.08 and 199,185.28

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Solution

The fourth proportional to 573,210.88, 859,894.08 and 199,185.28 is: 298,804.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,210.88 : 859,894.08 = 199,185.28 : x
  2. Step 2: Convert to fraction form
    573,210.88/859,894.08 = 199,185.28/x
  3. Step 3: Cross multiply
    573,210.88x = 859,894.08 × 199,185.28
  4. Step 4: Simplify right side
    573,210.88x = 171,278,243,095.14
  5. Step 5: Solve for x
    x = 171,278,243,095.14/573,210.88
  6. Step 6: Final answer
    x = 298,804.94

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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.