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Finding the Fourth Proportional to 442,434.71, 610,484.44 and 248,792.26

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Solution

The fourth proportional to 442,434.71, 610,484.44 and 248,792.26 is: 343,290.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,434.71 : 610,484.44 = 248,792.26 : x
  2. Step 2: Convert to fraction form
    442,434.71/610,484.44 = 248,792.26/x
  3. Step 3: Cross multiply
    442,434.71x = 610,484.44 × 248,792.26
  4. Step 4: Simplify right side
    442,434.71x = 151,883,802,278.47
  5. Step 5: Solve for x
    x = 151,883,802,278.47/442,434.71
  6. Step 6: Final answer
    x = 343,290.89

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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.