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Finding the Fourth Proportional to 458,246.64, 632,378.96 and 254,328.32

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Solution

The fourth proportional to 458,246.64, 632,378.96 and 254,328.32 is: 350,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,246.64 : 632,378.96 = 254,328.32 : x
  2. Step 2: Convert to fraction form
    458,246.64/632,378.96 = 254,328.32/x
  3. Step 3: Cross multiply
    458,246.64x = 632,378.96 × 254,328.32
  4. Step 4: Simplify right side
    458,246.64x = 160,831,878,500.15
  5. Step 5: Solve for x
    x = 160,831,878,500.15/458,246.64
  6. Step 6: Final answer
    x = 350,972.30

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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.