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Finding the Fourth Proportional to 442,008.84, 609,973 and 251,022.20

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Solution

The fourth proportional to 442,008.84, 609,973 and 251,022.20 is: 346,411.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,008.84 : 609,973 = 251,022.20 : x
  2. Step 2: Convert to fraction form
    442,008.84/609,973 = 251,022.20/x
  3. Step 3: Cross multiply
    442,008.84x = 609,973 × 251,022.20
  4. Step 4: Simplify right side
    442,008.84x = 153,116,764,400.60
  5. Step 5: Solve for x
    x = 153,116,764,400.60/442,008.84
  6. Step 6: Final answer
    x = 346,411.09

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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.