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Finding the Fourth Proportional to 291,525.84, 402,168.21 and 170,592.94

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Solution

The fourth proportional to 291,525.84, 402,168.21 and 170,592.94 is: 235,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,525.84 : 402,168.21 = 170,592.94 : x
  2. Step 2: Convert to fraction form
    291,525.84/402,168.21 = 170,592.94/x
  3. Step 3: Cross multiply
    291,525.84x = 402,168.21 × 170,592.94
  4. Step 4: Simplify right side
    291,525.84x = 68,607,057,181.42
  5. Step 5: Solve for x
    x = 68,607,057,181.42/291,525.84
  6. Step 6: Final answer
    x = 235,337.83

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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.