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Finding the Fourth Proportional to 574,608.48, 792,959.28 and 316,487.16

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Solution

The fourth proportional to 574,608.48, 792,959.28 and 316,487.16 is: 436,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,608.48 : 792,959.28 = 316,487.16 : x
  2. Step 2: Convert to fraction form
    574,608.48/792,959.28 = 316,487.16/x
  3. Step 3: Cross multiply
    574,608.48x = 792,959.28 × 316,487.16
  4. Step 4: Simplify right side
    574,608.48x = 250,961,430,522.85
  5. Step 5: Solve for x
    x = 250,961,430,522.85/574,608.48
  6. Step 6: Final answer
    x = 436,752.05

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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.