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Finding the Fourth Proportional to 442,485.96, 610,683.08 and 251,528.04

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Solution

The fourth proportional to 442,485.96, 610,683.08 and 251,528.04 is: 347,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,485.96 : 610,683.08 = 251,528.04 : x
  2. Step 2: Convert to fraction form
    442,485.96/610,683.08 = 251,528.04/x
  3. Step 3: Cross multiply
    442,485.96x = 610,683.08 × 251,528.04
  4. Step 4: Simplify right side
    442,485.96x = 153,603,918,173.56
  5. Step 5: Solve for x
    x = 153,603,918,173.56/442,485.96
  6. Step 6: Final answer
    x = 347,138.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.