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Finding the Fourth Proportional to 264,483.25, 364,989.53 and 143,625.58

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Solution

The fourth proportional to 264,483.25, 364,989.53 and 143,625.58 is: 198,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,483.25 : 364,989.53 = 143,625.58 : x
  2. Step 2: Convert to fraction form
    264,483.25/364,989.53 = 143,625.58/x
  3. Step 3: Cross multiply
    264,483.25x = 364,989.53 × 143,625.58
  4. Step 4: Simplify right side
    264,483.25x = 52,421,832,940.18
  5. Step 5: Solve for x
    x = 52,421,832,940.18/264,483.25
  6. Step 6: Final answer
    x = 198,204.74

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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.