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Finding the Fourth Proportional to 574,965.37, 793,457.46 and 316,851.58

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Solution

The fourth proportional to 574,965.37, 793,457.46 and 316,851.58 is: 437,258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,965.37 : 793,457.46 = 316,851.58 : x
  2. Step 2: Convert to fraction form
    574,965.37/793,457.46 = 316,851.58/x
  3. Step 3: Cross multiply
    574,965.37x = 793,457.46 × 316,851.58
  4. Step 4: Simplify right side
    574,965.37x = 251,408,247,387.07
  5. Step 5: Solve for x
    x = 251,408,247,387.07/574,965.37
  6. Step 6: Final answer
    x = 437,258.07

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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.