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Finding the Fourth Proportional to 574,889.16, 793,346.88 and 316,769.70

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Solution

The fourth proportional to 574,889.16, 793,346.88 and 316,769.70 is: 437,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,889.16 : 793,346.88 = 316,769.70 : x
  2. Step 2: Convert to fraction form
    574,889.16/793,346.88 = 316,769.70/x
  3. Step 3: Cross multiply
    574,889.16x = 793,346.88 × 316,769.70
  4. Step 4: Simplify right side
    574,889.16x = 251,308,253,173.54
  5. Step 5: Solve for x
    x = 251,308,253,173.54/574,889.16
  6. Step 6: Final answer
    x = 437,142.10

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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.