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Finding the Fourth Proportional to 575,572.65, 862,866.63 and 220,841.25

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Solution

The fourth proportional to 575,572.65, 862,866.63 and 220,841.25 is: 331,072.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,572.65 : 862,866.63 = 220,841.25 : x
  2. Step 2: Convert to fraction form
    575,572.65/862,866.63 = 220,841.25/x
  3. Step 3: Cross multiply
    575,572.65x = 862,866.63 × 220,841.25
  4. Step 4: Simplify right side
    575,572.65x = 190,556,545,152.49
  5. Step 5: Solve for x
    x = 190,556,545,152.49/575,572.65
  6. Step 6: Final answer
    x = 331,072.97

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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.