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Finding the Fourth Proportional to 507,139.99, 761,095.44 and 187,594.18

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Solution

The fourth proportional to 507,139.99, 761,095.44 and 187,594.18 is: 281,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,139.99 : 761,095.44 = 187,594.18 : x
  2. Step 2: Convert to fraction form
    507,139.99/761,095.44 = 187,594.18/x
  3. Step 3: Cross multiply
    507,139.99x = 761,095.44 × 187,594.18
  4. Step 4: Simplify right side
    507,139.99x = 142,777,073,065.80
  5. Step 5: Solve for x
    x = 142,777,073,065.80/507,139.99
  6. Step 6: Final answer
    x = 281,533.85

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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.