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Finding the Fourth Proportional to 297,308.82, 410,152.23 and 176,455.20

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Solution

The fourth proportional to 297,308.82, 410,152.23 and 176,455.20 is: 243,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,308.82 : 410,152.23 = 176,455.20 : x
  2. Step 2: Convert to fraction form
    297,308.82/410,152.23 = 176,455.20/x
  3. Step 3: Cross multiply
    297,308.82x = 410,152.23 × 176,455.20
  4. Step 4: Simplify right side
    297,308.82x = 72,373,493,775.10
  5. Step 5: Solve for x
    x = 72,373,493,775.10/297,308.82
  6. Step 6: Final answer
    x = 243,428.68

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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.