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Finding the Fourth Proportional to 409,995.34, 565,807.62 and 237,900.31

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Solution

The fourth proportional to 409,995.34, 565,807.62 and 237,900.31 is: 328,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,995.34 : 565,807.62 = 237,900.31 : x
  2. Step 2: Convert to fraction form
    409,995.34/565,807.62 = 237,900.31/x
  3. Step 3: Cross multiply
    409,995.34x = 565,807.62 × 237,900.31
  4. Step 4: Simplify right side
    409,995.34x = 134,605,808,198.36
  5. Step 5: Solve for x
    x = 134,605,808,198.36/409,995.34
  6. Step 6: Final answer
    x = 328,310.58

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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.