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Finding the Fourth Proportional to 319,195.37, 440,492.60 and 175,960.54

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Solution

The fourth proportional to 319,195.37, 440,492.60 and 175,960.54 is: 242,827.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,195.37 : 440,492.60 = 175,960.54 : x
  2. Step 2: Convert to fraction form
    319,195.37/440,492.60 = 175,960.54/x
  3. Step 3: Cross multiply
    319,195.37x = 440,492.60 × 175,960.54
  4. Step 4: Simplify right side
    319,195.37x = 77,509,315,100.67
  5. Step 5: Solve for x
    x = 77,509,315,100.67/319,195.37
  6. Step 6: Final answer
    x = 242,827.19

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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.