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Finding the Fourth Proportional to 319,004.64, 440,227.26 and 175,764.24

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Solution

The fourth proportional to 319,004.64, 440,227.26 and 175,764.24 is: 242,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,004.64 : 440,227.26 = 175,764.24 : x
  2. Step 2: Convert to fraction form
    319,004.64/440,227.26 = 175,764.24/x
  3. Step 3: Cross multiply
    319,004.64x = 440,227.26 × 175,764.24
  4. Step 4: Simplify right side
    319,004.64x = 77,376,209,781.18
  5. Step 5: Solve for x
    x = 77,376,209,781.18/319,004.64
  6. Step 6: Final answer
    x = 242,555.12

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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.