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Finding the Fourth Proportional to 448,215.51, 618,521.67 and 244,262.28

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Solution

The fourth proportional to 448,215.51, 618,521.67 and 244,262.28 is: 337,073.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,215.51 : 618,521.67 = 244,262.28 : x
  2. Step 2: Convert to fraction form
    448,215.51/618,521.67 = 244,262.28/x
  3. Step 3: Cross multiply
    448,215.51x = 618,521.67 × 244,262.28
  4. Step 4: Simplify right side
    448,215.51x = 151,081,513,343.61
  5. Step 5: Solve for x
    x = 151,081,513,343.61/448,215.51
  6. Step 6: Final answer
    x = 337,073.37

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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.