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Finding the Fourth Proportional to 265,958.12, 366,985.82 and 152,780.84

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Solution

The fourth proportional to 265,958.12, 366,985.82 and 152,780.84 is: 210,816.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,958.12 : 366,985.82 = 152,780.84 : x
  2. Step 2: Convert to fraction form
    265,958.12/366,985.82 = 152,780.84/x
  3. Step 3: Cross multiply
    265,958.12x = 366,985.82 × 152,780.84
  4. Step 4: Simplify right side
    265,958.12x = 56,068,401,847.69
  5. Step 5: Solve for x
    x = 56,068,401,847.69/265,958.12
  6. Step 6: Final answer
    x = 210,816.66

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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.