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Finding the Fourth Proportional to 507,860.74, 761,254.00 and 187,806.95

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Solution

The fourth proportional to 507,860.74, 761,254.00 and 187,806.95 is: 281,511.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,860.74 : 761,254.00 = 187,806.95 : x
  2. Step 2: Convert to fraction form
    507,860.74/761,254.00 = 187,806.95/x
  3. Step 3: Cross multiply
    507,860.74x = 761,254.00 × 187,806.95
  4. Step 4: Simplify right side
    507,860.74x = 142,968,794,776.27
  5. Step 5: Solve for x
    x = 142,968,794,776.27/507,860.74
  6. Step 6: Final answer
    x = 281,511.81

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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.