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Finding the Fourth Proportional to 666,630.96, 919,953.72 and 364,824.24

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Solution

The fourth proportional to 666,630.96, 919,953.72 and 364,824.24 is: 503,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,630.96 : 919,953.72 = 364,824.24 : x
  2. Step 2: Convert to fraction form
    666,630.96/919,953.72 = 364,824.24/x
  3. Step 3: Cross multiply
    666,630.96x = 919,953.72 × 364,824.24
  4. Step 4: Simplify right side
    666,630.96x = 335,621,416,734.17
  5. Step 5: Solve for x
    x = 335,621,416,734.17/666,630.96
  6. Step 6: Final answer
    x = 503,459.09

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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.