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Finding the Fourth Proportional to 666,404.34, 919,660.95 and 364,598.34

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Solution

The fourth proportional to 666,404.34, 919,660.95 and 364,598.34 is: 503,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,404.34 : 919,660.95 = 364,598.34 : x
  2. Step 2: Convert to fraction form
    666,404.34/919,660.95 = 364,598.34/x
  3. Step 3: Cross multiply
    666,404.34x = 919,660.95 × 364,598.34
  4. Step 4: Simplify right side
    666,404.34x = 335,306,855,732.82
  5. Step 5: Solve for x
    x = 335,306,855,732.82/666,404.34
  6. Step 6: Final answer
    x = 503,158.27

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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.