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Finding the Fourth Proportional to 323,903.42, 446,985.48 and 178,718.25

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Solution

The fourth proportional to 323,903.42, 446,985.48 and 178,718.25 is: 246,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,903.42 : 446,985.48 = 178,718.25 : x
  2. Step 2: Convert to fraction form
    323,903.42/446,985.48 = 178,718.25/x
  3. Step 3: Cross multiply
    323,903.42x = 446,985.48 × 178,718.25
  4. Step 4: Simplify right side
    323,903.42x = 79,884,462,761.01
  5. Step 5: Solve for x
    x = 79,884,462,761.01/323,903.42
  6. Step 6: Final answer
    x = 246,630.50

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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.