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Finding the Fourth Proportional to 555,953.02, 767,215.02 and 301,304.23

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Solution

The fourth proportional to 555,953.02, 767,215.02 and 301,304.23 is: 415,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,953.02 : 767,215.02 = 301,304.23 : x
  2. Step 2: Convert to fraction form
    555,953.02/767,215.02 = 301,304.23/x
  3. Step 3: Cross multiply
    555,953.02x = 767,215.02 × 301,304.23
  4. Step 4: Simplify right side
    555,953.02x = 231,165,130,845.54
  5. Step 5: Solve for x
    x = 231,165,130,845.54/555,953.02
  6. Step 6: Final answer
    x = 415,799.76

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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.