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Finding the Fourth Proportional to 442,173.33, 610,215.53 and 251,219.07

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Solution

The fourth proportional to 442,173.33, 610,215.53 and 251,219.07 is: 346,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,173.33 : 610,215.53 = 251,219.07 : x
  2. Step 2: Convert to fraction form
    442,173.33/610,215.53 = 251,219.07/x
  3. Step 3: Cross multiply
    442,173.33x = 610,215.53 × 251,219.07
  4. Step 4: Simplify right side
    442,173.33x = 153,297,776,690.06
  5. Step 5: Solve for x
    x = 153,297,776,690.06/442,173.33
  6. Step 6: Final answer
    x = 346,691.59

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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.