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Finding the Fourth Proportional to 507,865.65, 761,845.30 and 183,734.83

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Solution

The fourth proportional to 507,865.65, 761,845.30 and 183,734.83 is: 275,619.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,865.65 : 761,845.30 = 183,734.83 : x
  2. Step 2: Convert to fraction form
    507,865.65/761,845.30 = 183,734.83/x
  3. Step 3: Cross multiply
    507,865.65x = 761,845.30 × 183,734.83
  4. Step 4: Simplify right side
    507,865.65x = 139,977,517,174.77
  5. Step 5: Solve for x
    x = 139,977,517,174.77/507,865.65
  6. Step 6: Final answer
    x = 275,619.19

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1.5x scale

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.