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Finding the Fourth Proportional to 574,772.45, 793,178.97 and 316,644.27

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Solution

The fourth proportional to 574,772.45, 793,178.97 and 316,644.27 is: 436,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,772.45 : 793,178.97 = 316,644.27 : x
  2. Step 2: Convert to fraction form
    574,772.45/793,178.97 = 316,644.27/x
  3. Step 3: Cross multiply
    574,772.45x = 793,178.97 × 316,644.27
  4. Step 4: Simplify right side
    574,772.45x = 251,155,575,935.00
  5. Step 5: Solve for x
    x = 251,155,575,935.00/574,772.45
  6. Step 6: Final answer
    x = 436,965.23

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1.5x scale

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.