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Finding the Fourth Proportional to 507,422.18, 760,583.12 and 254,091.96

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Solution

The fourth proportional to 507,422.18, 760,583.12 and 254,091.96 is: 380,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,422.18 : 760,583.12 = 254,091.96 : x
  2. Step 2: Convert to fraction form
    507,422.18/760,583.12 = 254,091.96/x
  3. Step 3: Cross multiply
    507,422.18x = 760,583.12 × 254,091.96
  4. Step 4: Simplify right side
    507,422.18x = 193,258,054,433.26
  5. Step 5: Solve for x
    x = 193,258,054,433.26/507,422.18
  6. Step 6: Final answer
    x = 380,862.45

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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.