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Finding the Fourth Proportional to 507,566.25, 760,842.72 and 254,072.90

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Solution

The fourth proportional to 507,566.25, 760,842.72 and 254,072.90 is: 380,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,566.25 : 760,842.72 = 254,072.90 : x
  2. Step 2: Convert to fraction form
    507,566.25/760,842.72 = 254,072.90/x
  3. Step 3: Cross multiply
    507,566.25x = 760,842.72 × 254,072.90
  4. Step 4: Simplify right side
    507,566.25x = 193,309,518,216.40
  5. Step 5: Solve for x
    x = 193,309,518,216.40/507,566.25
  6. Step 6: Final answer
    x = 380,855.74

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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.