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Finding the Fourth Proportional to 574,871.72, 793,323.72 and 313,225.64

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Solution

The fourth proportional to 574,871.72, 793,323.72 and 313,225.64 is: 432,251.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,871.72 : 793,323.72 = 313,225.64 : x
  2. Step 2: Convert to fraction form
    574,871.72/793,323.72 = 313,225.64/x
  3. Step 3: Cross multiply
    574,871.72x = 793,323.72 × 313,225.64
  4. Step 4: Simplify right side
    574,871.72x = 248,489,329,924.18
  5. Step 5: Solve for x
    x = 248,489,329,924.18/574,871.72
  6. Step 6: Final answer
    x = 432,251.79

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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.