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Finding the Fourth Proportional to 555,108.36, 832,994.73 and 509,935.87

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Solution

The fourth proportional to 555,108.36, 832,994.73 and 509,935.87 is: 765,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,108.36 : 832,994.73 = 509,935.87 : x
  2. Step 2: Convert to fraction form
    555,108.36/832,994.73 = 509,935.87/x
  3. Step 3: Cross multiply
    555,108.36x = 832,994.73 × 509,935.87
  4. Step 4: Simplify right side
    555,108.36x = 424,773,890,538.63
  5. Step 5: Solve for x
    x = 424,773,890,538.63/555,108.36
  6. Step 6: Final answer
    x = 765,208.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.