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Finding the Fourth Proportional to 468,548.55, 646,263.63 and 323,410.32

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Solution

The fourth proportional to 468,548.55, 646,263.63 and 323,410.32 is: 446,076.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,548.55 : 646,263.63 = 323,410.32 : x
  2. Step 2: Convert to fraction form
    468,548.55/646,263.63 = 323,410.32/x
  3. Step 3: Cross multiply
    468,548.55x = 646,263.63 × 323,410.32
  4. Step 4: Simplify right side
    468,548.55x = 209,008,327,382.66
  5. Step 5: Solve for x
    x = 209,008,327,382.66/468,548.55
  6. Step 6: Final answer
    x = 446,076.14

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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.