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Finding the Fourth Proportional to 574,518.43, 793,174.92 and 510,671.66

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Solution

The fourth proportional to 574,518.43, 793,174.92 and 510,671.66 is: 705,028.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,518.43 : 793,174.92 = 510,671.66 : x
  2. Step 2: Convert to fraction form
    574,518.43/793,174.92 = 510,671.66/x
  3. Step 3: Cross multiply
    574,518.43x = 793,174.92 × 510,671.66
  4. Step 4: Simplify right side
    574,518.43x = 405,051,953,066.77
  5. Step 5: Solve for x
    x = 405,051,953,066.77/574,518.43
  6. Step 6: Final answer
    x = 705,028.66

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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.