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Finding the Fourth Proportional to 507,610, 761,427.24 and 170,655.04

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Solution

The fourth proportional to 507,610, 761,427.24 and 170,655.04 is: 255,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,610 : 761,427.24 = 170,655.04 : x
  2. Step 2: Convert to fraction form
    507,610/761,427.24 = 170,655.04/x
  3. Step 3: Cross multiply
    507,610x = 761,427.24 × 170,655.04
  4. Step 4: Simplify right side
    507,610x = 129,941,396,099.29
  5. Step 5: Solve for x
    x = 129,941,396,099.29/507,610
  6. Step 6: Final answer
    x = 255,986.68

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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.