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Finding the Fourth Proportional to 248,380.68, 342,772.90 and 175,913.40

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Solution

The fourth proportional to 248,380.68, 342,772.90 and 175,913.40 is: 242,765.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,380.68 : 342,772.90 = 175,913.40 : x
  2. Step 2: Convert to fraction form
    248,380.68/342,772.90 = 175,913.40/x
  3. Step 3: Cross multiply
    248,380.68x = 342,772.90 × 175,913.40
  4. Step 4: Simplify right side
    248,380.68x = 60,298,346,266.86
  5. Step 5: Solve for x
    x = 60,298,346,266.86/248,380.68
  6. Step 6: Final answer
    x = 242,765.85

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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.