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Finding the Fourth Proportional to 544,428, 751,275.03 and 302,701.68

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Solution

The fourth proportional to 544,428, 751,275.03 and 302,701.68 is: 417,708.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,428 : 751,275.03 = 302,701.68 : x
  2. Step 2: Convert to fraction form
    544,428/751,275.03 = 302,701.68/x
  3. Step 3: Cross multiply
    544,428x = 751,275.03 × 302,701.68
  4. Step 4: Simplify right side
    544,428x = 227,412,213,723.05
  5. Step 5: Solve for x
    x = 227,412,213,723.05/544,428
  6. Step 6: Final answer
    x = 417,708.52

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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.