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Finding the Fourth Proportional to 264,712.68, 365,312.31 and 155,797.35

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Solution

The fourth proportional to 264,712.68, 365,312.31 and 155,797.35 is: 215,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,712.68 : 365,312.31 = 155,797.35 : x
  2. Step 2: Convert to fraction form
    264,712.68/365,312.31 = 155,797.35/x
  3. Step 3: Cross multiply
    264,712.68x = 365,312.31 × 155,797.35
  4. Step 4: Simplify right side
    264,712.68x = 56,914,689,820.38
  5. Step 5: Solve for x
    x = 56,914,689,820.38/264,712.68
  6. Step 6: Final answer
    x = 215,005.53

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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.