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Finding the Fourth Proportional to 574,712.53, 793,165.60 and 316,615.93

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Solution

The fourth proportional to 574,712.53, 793,165.60 and 316,615.93 is: 436,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,712.53 : 793,165.60 = 316,615.93 : x
  2. Step 2: Convert to fraction form
    574,712.53/793,165.60 = 316,615.93/x
  3. Step 3: Cross multiply
    574,712.53x = 793,165.60 × 316,615.93
  4. Step 4: Simplify right side
    574,712.53x = 251,128,862,500.86
  5. Step 5: Solve for x
    x = 251,128,862,500.86/574,712.53
  6. Step 6: Final answer
    x = 436,964.31

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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.